Home / 487,377.18-731,075.78-150,418.04

Finding the Fourth Proportional to 487,377.18, 731,075.78 and 150,418.04

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Solution

The fourth proportional to 487,377.18, 731,075.78 and 150,418.04 is: 225,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,377.18 : 731,075.78 = 150,418.04 : x
  2. Step 2: Convert to fraction form
    487,377.18/731,075.78 = 150,418.04/x
  3. Step 3: Cross multiply
    487,377.18x = 731,075.78 × 150,418.04
  4. Step 4: Simplify right side
    487,377.18x = 109,966,982,639.74
  5. Step 5: Solve for x
    x = 109,966,982,639.74/487,377.18
  6. Step 6: Final answer
    x = 225,630.14

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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.