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Finding the Fourth Proportional to 504,046.10, 756,069.15 and 188,437.70

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Solution

The fourth proportional to 504,046.10, 756,069.15 and 188,437.70 is: 282,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,046.10 : 756,069.15 = 188,437.70 : x
  2. Step 2: Convert to fraction form
    504,046.10/756,069.15 = 188,437.70/x
  3. Step 3: Cross multiply
    504,046.10x = 756,069.15 × 188,437.70
  4. Step 4: Simplify right side
    504,046.10x = 142,471,931,666.96
  5. Step 5: Solve for x
    x = 142,471,931,666.96/504,046.10
  6. Step 6: Final answer
    x = 282,656.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.