Home / 439,535.48-659,402.64-140,033.12

Finding the Fourth Proportional to 439,535.48, 659,402.64 and 140,033.12

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Solution

The fourth proportional to 439,535.48, 659,402.64 and 140,033.12 is: 210,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,535.48 : 659,402.64 = 140,033.12 : x
  2. Step 2: Convert to fraction form
    439,535.48/659,402.64 = 140,033.12/x
  3. Step 3: Cross multiply
    439,535.48x = 659,402.64 × 140,033.12
  4. Step 4: Simplify right side
    439,535.48x = 92,338,209,015.44
  5. Step 5: Solve for x
    x = 92,338,209,015.44/439,535.48
  6. Step 6: Final answer
    x = 210,081.35

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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.