Home / 393,839.04-543,490.92-224,069.52

Finding the Fourth Proportional to 393,839.04, 543,490.92 and 224,069.52

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Solution

The fourth proportional to 393,839.04, 543,490.92 and 224,069.52 is: 309,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,839.04 : 543,490.92 = 224,069.52 : x
  2. Step 2: Convert to fraction form
    393,839.04/543,490.92 = 224,069.52/x
  3. Step 3: Cross multiply
    393,839.04x = 543,490.92 × 224,069.52
  4. Step 4: Simplify right side
    393,839.04x = 121,779,749,568.76
  5. Step 5: Solve for x
    x = 121,779,749,568.76/393,839.04
  6. Step 6: Final answer
    x = 309,211.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.