Home / 297,988.10-446,972.24-129,508.60

Finding the Fourth Proportional to 297,988.10, 446,972.24 and 129,508.60

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Solution

The fourth proportional to 297,988.10, 446,972.24 and 129,508.60 is: 194,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,988.10 : 446,972.24 = 129,508.60 : x
  2. Step 2: Convert to fraction form
    297,988.10/446,972.24 = 129,508.60/x
  3. Step 3: Cross multiply
    297,988.10x = 446,972.24 × 129,508.60
  4. Step 4: Simplify right side
    297,988.10x = 57,886,749,041.26
  5. Step 5: Solve for x
    x = 57,886,749,041.26/297,988.10
  6. Step 6: Final answer
    x = 194,258.59

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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.