Home / 438,168.10-657,252.15-249,211.30

Finding the Fourth Proportional to 438,168.10, 657,252.15 and 249,211.30

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Solution

The fourth proportional to 438,168.10, 657,252.15 and 249,211.30 is: 373,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,168.10 : 657,252.15 = 249,211.30 : x
  2. Step 2: Convert to fraction form
    438,168.10/657,252.15 = 249,211.30/x
  3. Step 3: Cross multiply
    438,168.10x = 657,252.15 × 249,211.30
  4. Step 4: Simplify right side
    438,168.10x = 163,794,662,729.30
  5. Step 5: Solve for x
    x = 163,794,662,729.30/438,168.10
  6. Step 6: Final answer
    x = 373,816.95

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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.