Home / 439,922.90-659,819.55-124,411.70

Finding the Fourth Proportional to 439,922.90, 659,819.55 and 124,411.70

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Solution

The fourth proportional to 439,922.90, 659,819.55 and 124,411.70 is: 186,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,922.90 : 659,819.55 = 124,411.70 : x
  2. Step 2: Convert to fraction form
    439,922.90/659,819.55 = 124,411.70/x
  3. Step 3: Cross multiply
    439,922.90x = 659,819.55 × 124,411.70
  4. Step 4: Simplify right side
    439,922.90x = 82,089,271,908.74
  5. Step 5: Solve for x
    x = 82,089,271,908.74/439,922.90
  6. Step 6: Final answer
    x = 186,599.22

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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.