Home / 318,836.92-478,241.54-119,159.04

Finding the Fourth Proportional to 318,836.92, 478,241.54 and 119,159.04

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Solution

The fourth proportional to 318,836.92, 478,241.54 and 119,159.04 is: 178,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,836.92 : 478,241.54 = 119,159.04 : x
  2. Step 2: Convert to fraction form
    318,836.92/478,241.54 = 119,159.04/x
  3. Step 3: Cross multiply
    318,836.92x = 478,241.54 × 119,159.04
  4. Step 4: Simplify right side
    318,836.92x = 56,986,801,411.48
  5. Step 5: Solve for x
    x = 56,986,801,411.48/318,836.92
  6. Step 6: Final answer
    x = 178,733.38

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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.