Home / 297,005.40-445,508.10-83,772.90

Finding the Fourth Proportional to 297,005.40, 445,508.10 and 83,772.90

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Solution

The fourth proportional to 297,005.40, 445,508.10 and 83,772.90 is: 125,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,005.40 : 445,508.10 = 83,772.90 : x
  2. Step 2: Convert to fraction form
    297,005.40/445,508.10 = 83,772.90/x
  3. Step 3: Cross multiply
    297,005.40x = 445,508.10 × 83,772.90
  4. Step 4: Simplify right side
    297,005.40x = 37,321,505,510.49
  5. Step 5: Solve for x
    x = 37,321,505,510.49/297,005.40
  6. Step 6: Final answer
    x = 125,659.35

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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.