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Finding the Fourth Proportional to 538,088.76, 807,246.99 and 178,239.25

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Solution

The fourth proportional to 538,088.76, 807,246.99 and 178,239.25 is: 267,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,088.76 : 807,246.99 = 178,239.25 : x
  2. Step 2: Convert to fraction form
    538,088.76/807,246.99 = 178,239.25/x
  3. Step 3: Cross multiply
    538,088.76x = 807,246.99 × 178,239.25
  4. Step 4: Simplify right side
    538,088.76x = 143,883,098,062.36
  5. Step 5: Solve for x
    x = 143,883,098,062.36/538,088.76
  6. Step 6: Final answer
    x = 267,396.59

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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.