Home / 387,528.57-581,179.86-150,814.98

Finding the Fourth Proportional to 387,528.57, 581,179.86 and 150,814.98

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Solution

The fourth proportional to 387,528.57, 581,179.86 and 150,814.98 is: 226,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,528.57 : 581,179.86 = 150,814.98 : x
  2. Step 2: Convert to fraction form
    387,528.57/581,179.86 = 150,814.98/x
  3. Step 3: Cross multiply
    387,528.57x = 581,179.86 × 150,814.98
  4. Step 4: Simplify right side
    387,528.57x = 87,650,628,962.30
  5. Step 5: Solve for x
    x = 87,650,628,962.30/387,528.57
  6. Step 6: Final answer
    x = 226,178.50

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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.