Home / 668,354.60-1,002,531.90-195,087.80

Finding the Fourth Proportional to 668,354.60, 1,002,531.90 and 195,087.80

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Solution

The fourth proportional to 668,354.60, 1,002,531.90 and 195,087.80 is: 292,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,354.60 : 1,002,531.90 = 195,087.80 : x
  2. Step 2: Convert to fraction form
    668,354.60/1,002,531.90 = 195,087.80/x
  3. Step 3: Cross multiply
    668,354.60x = 1,002,531.90 × 195,087.80
  4. Step 4: Simplify right side
    668,354.60x = 195,581,742,800.82
  5. Step 5: Solve for x
    x = 195,581,742,800.82/668,354.60
  6. Step 6: Final answer
    x = 292,631.70

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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.