Home / 487,554.38-731,409.50-150,515.81

Finding the Fourth Proportional to 487,554.38, 731,409.50 and 150,515.81

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Solution

The fourth proportional to 487,554.38, 731,409.50 and 150,515.81 is: 225,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,554.38 : 731,409.50 = 150,515.81 : x
  2. Step 2: Convert to fraction form
    487,554.38/731,409.50 = 150,515.81/x
  3. Step 3: Cross multiply
    487,554.38x = 731,409.50 × 150,515.81
  4. Step 4: Simplify right side
    487,554.38x = 110,088,693,334.20
  5. Step 5: Solve for x
    x = 110,088,693,334.20/487,554.38
  6. Step 6: Final answer
    x = 225,797.77

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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.