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Finding the Fourth Proportional to 272,030.10, 408,045.15 and 216,042.90

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Solution

The fourth proportional to 272,030.10, 408,045.15 and 216,042.90 is: 324,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,030.10 : 408,045.15 = 216,042.90 : x
  2. Step 2: Convert to fraction form
    272,030.10/408,045.15 = 216,042.90/x
  3. Step 3: Cross multiply
    272,030.10x = 408,045.15 × 216,042.90
  4. Step 4: Simplify right side
    272,030.10x = 88,155,257,536.94
  5. Step 5: Solve for x
    x = 88,155,257,536.94/272,030.10
  6. Step 6: Final answer
    x = 324,064.35

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1.5x scale

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.