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Finding the Fourth Proportional to 360,331.40, 497,397.54 and 322,540.04

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Solution

The fourth proportional to 360,331.40, 497,397.54 and 322,540.04 is: 445,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,331.40 : 497,397.54 = 322,540.04 : x
  2. Step 2: Convert to fraction form
    360,331.40/497,397.54 = 322,540.04/x
  3. Step 3: Cross multiply
    360,331.40x = 497,397.54 × 322,540.04
  4. Step 4: Simplify right side
    360,331.40x = 160,430,622,447.50
  5. Step 5: Solve for x
    x = 160,430,622,447.50/360,331.40
  6. Step 6: Final answer
    x = 445,230.76

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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.