Home / 297,921.60-446,630.64-129,314.40

Finding the Fourth Proportional to 297,921.60, 446,630.64 and 129,314.40

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Solution

The fourth proportional to 297,921.60, 446,630.64 and 129,314.40 is: 193,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,921.60 : 446,630.64 = 129,314.40 : x
  2. Step 2: Convert to fraction form
    297,921.60/446,630.64 = 129,314.40/x
  3. Step 3: Cross multiply
    297,921.60x = 446,630.64 × 129,314.40
  4. Step 4: Simplify right side
    297,921.60x = 57,755,773,233.22
  5. Step 5: Solve for x
    x = 57,755,773,233.22/297,921.60
  6. Step 6: Final answer
    x = 193,862.32

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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.