Home / 387,583.20-581,461.20-150,904.80

Finding the Fourth Proportional to 387,583.20, 581,461.20 and 150,904.80

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Solution

The fourth proportional to 387,583.20, 581,461.20 and 150,904.80 is: 226,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,583.20 : 581,461.20 = 150,904.80 : x
  2. Step 2: Convert to fraction form
    387,583.20/581,461.20 = 150,904.80/x
  3. Step 3: Cross multiply
    387,583.20x = 581,461.20 × 150,904.80
  4. Step 4: Simplify right side
    387,583.20x = 87,745,286,093.76
  5. Step 5: Solve for x
    x = 87,745,286,093.76/387,583.20
  6. Step 6: Final answer
    x = 226,390.84

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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.