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Finding the Fourth Proportional to 176,049.20, 264,073.80 and 51,390.20

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Solution

The fourth proportional to 176,049.20, 264,073.80 and 51,390.20 is: 77,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,049.20 : 264,073.80 = 51,390.20 : x
  2. Step 2: Convert to fraction form
    176,049.20/264,073.80 = 51,390.20/x
  3. Step 3: Cross multiply
    176,049.20x = 264,073.80 × 51,390.20
  4. Step 4: Simplify right side
    176,049.20x = 13,570,805,396.76
  5. Step 5: Solve for x
    x = 13,570,805,396.76/176,049.20
  6. Step 6: Final answer
    x = 77,085.30

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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.