Home / 387,659.48-581,376.90-150,949.40

Finding the Fourth Proportional to 387,659.48, 581,376.90 and 150,949.40

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Solution

The fourth proportional to 387,659.48, 581,376.90 and 150,949.40 is: 226,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,659.48 : 581,376.90 = 150,949.40 : x
  2. Step 2: Convert to fraction form
    387,659.48/581,376.90 = 150,949.40/x
  3. Step 3: Cross multiply
    387,659.48x = 581,376.90 × 150,949.40
  4. Step 4: Simplify right side
    387,659.48x = 87,758,494,228.86
  5. Step 5: Solve for x
    x = 87,758,494,228.86/387,659.48
  6. Step 6: Final answer
    x = 226,380.36

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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.