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Finding the Fourth Proportional to 500,071.74, 690,094.08 and 270,624.12

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Solution

The fourth proportional to 500,071.74, 690,094.08 and 270,624.12 is: 373,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,071.74 : 690,094.08 = 270,624.12 : x
  2. Step 2: Convert to fraction form
    500,071.74/690,094.08 = 270,624.12/x
  3. Step 3: Cross multiply
    500,071.74x = 690,094.08 × 270,624.12
  4. Step 4: Simplify right side
    500,071.74x = 186,756,103,117.21
  5. Step 5: Solve for x
    x = 186,756,103,117.21/500,071.74
  6. Step 6: Final answer
    x = 373,458.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.