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Finding the Fourth Proportional to 653,342.90, 980,138.28 and 226,862.12

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Solution

The fourth proportional to 653,342.90, 980,138.28 and 226,862.12 is: 340,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,342.90 : 980,138.28 = 226,862.12 : x
  2. Step 2: Convert to fraction form
    653,342.90/980,138.28 = 226,862.12/x
  3. Step 3: Cross multiply
    653,342.90x = 980,138.28 × 226,862.12
  4. Step 4: Simplify right side
    653,342.90x = 222,356,248,093.95
  5. Step 5: Solve for x
    x = 222,356,248,093.95/653,342.90
  6. Step 6: Final answer
    x = 340,336.21

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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.