Home / 399,034.20-598,551.30-249,443.40

Finding the Fourth Proportional to 399,034.20, 598,551.30 and 249,443.40

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Solution

The fourth proportional to 399,034.20, 598,551.30 and 249,443.40 is: 374,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,034.20 : 598,551.30 = 249,443.40 : x
  2. Step 2: Convert to fraction form
    399,034.20/598,551.30 = 249,443.40/x
  3. Step 3: Cross multiply
    399,034.20x = 598,551.30 × 249,443.40
  4. Step 4: Simplify right side
    399,034.20x = 149,304,671,346.42
  5. Step 5: Solve for x
    x = 149,304,671,346.42/399,034.20
  6. Step 6: Final answer
    x = 374,165.10

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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.