Home / 354,212.60-531,318.90-144,001.40

Finding the Fourth Proportional to 354,212.60, 531,318.90 and 144,001.40

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Solution

The fourth proportional to 354,212.60, 531,318.90 and 144,001.40 is: 216,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,212.60 : 531,318.90 = 144,001.40 : x
  2. Step 2: Convert to fraction form
    354,212.60/531,318.90 = 144,001.40/x
  3. Step 3: Cross multiply
    354,212.60x = 531,318.90 × 144,001.40
  4. Step 4: Simplify right side
    354,212.60x = 76,510,665,446.46
  5. Step 5: Solve for x
    x = 76,510,665,446.46/354,212.60
  6. Step 6: Final answer
    x = 216,002.10

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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.