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Finding the Fourth Proportional to 477,374.67, 716,008.50 and 122,397.03

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Solution

The fourth proportional to 477,374.67, 716,008.50 and 122,397.03 is: 183,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,374.67 : 716,008.50 = 122,397.03 : x
  2. Step 2: Convert to fraction form
    477,374.67/716,008.50 = 122,397.03/x
  3. Step 3: Cross multiply
    477,374.67x = 716,008.50 × 122,397.03
  4. Step 4: Simplify right side
    477,374.67x = 87,637,313,854.76
  5. Step 5: Solve for x
    x = 87,637,313,854.76/477,374.67
  6. Step 6: Final answer
    x = 183,581.83

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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.