Home / 439,627.05-659,428.22-140,125.58

Finding the Fourth Proportional to 439,627.05, 659,428.22 and 140,125.58

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Solution

The fourth proportional to 439,627.05, 659,428.22 and 140,125.58 is: 210,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,627.05 : 659,428.22 = 140,125.58 : x
  2. Step 2: Convert to fraction form
    439,627.05/659,428.22 = 140,125.58/x
  3. Step 3: Cross multiply
    439,627.05x = 659,428.22 × 140,125.58
  4. Step 4: Simplify right side
    439,627.05x = 92,402,757,798.10
  5. Step 5: Solve for x
    x = 92,402,757,798.10/439,627.05
  6. Step 6: Final answer
    x = 210,184.42

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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.