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Finding the Fourth Proportional to 458,354.39, 632,519.52 and 254,393.34

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Solution

The fourth proportional to 458,354.39, 632,519.52 and 254,393.34 is: 351,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,354.39 : 632,519.52 = 254,393.34 : x
  2. Step 2: Convert to fraction form
    458,354.39/632,519.52 = 254,393.34/x
  3. Step 3: Cross multiply
    458,354.39x = 632,519.52 × 254,393.34
  4. Step 4: Simplify right side
    458,354.39x = 160,908,753,308.00
  5. Step 5: Solve for x
    x = 160,908,753,308.00/458,354.39
  6. Step 6: Final answer
    x = 351,057.52

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1.5x scale

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.