Home / 439,468.23-659,265.48-135,886.02

Finding the Fourth Proportional to 439,468.23, 659,265.48 and 135,886.02

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Solution

The fourth proportional to 439,468.23, 659,265.48 and 135,886.02 is: 203,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,468.23 : 659,265.48 = 135,886.02 : x
  2. Step 2: Convert to fraction form
    439,468.23/659,265.48 = 135,886.02/x
  3. Step 3: Cross multiply
    439,468.23x = 659,265.48 × 135,886.02
  4. Step 4: Simplify right side
    439,468.23x = 89,584,962,200.59
  5. Step 5: Solve for x
    x = 89,584,962,200.59/439,468.23
  6. Step 6: Final answer
    x = 203,848.55

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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.