Home / 439,594.20-659,384.10-140,070.74

Finding the Fourth Proportional to 439,594.20, 659,384.10 and 140,070.74

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Solution

The fourth proportional to 439,594.20, 659,384.10 and 140,070.74 is: 210,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,594.20 : 659,384.10 = 140,070.74 : x
  2. Step 2: Convert to fraction form
    439,594.20/659,384.10 = 140,070.74/x
  3. Step 3: Cross multiply
    439,594.20x = 659,384.10 × 140,070.74
  4. Step 4: Simplify right side
    439,594.20x = 92,360,415,534.31
  5. Step 5: Solve for x
    x = 92,360,415,534.31/439,594.20
  6. Step 6: Final answer
    x = 210,103.81

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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.