Home / 439,103.52-659,706-281,639.52

Finding the Fourth Proportional to 439,103.52, 659,706 and 281,639.52

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Solution

The fourth proportional to 439,103.52, 659,706 and 281,639.52 is: 423,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,103.52 : 659,706 = 281,639.52 : x
  2. Step 2: Convert to fraction form
    439,103.52/659,706 = 281,639.52/x
  3. Step 3: Cross multiply
    439,103.52x = 659,706 × 281,639.52
  4. Step 4: Simplify right side
    439,103.52x = 185,799,281,181.12
  5. Step 5: Solve for x
    x = 185,799,281,181.12/439,103.52
  6. Step 6: Final answer
    x = 423,133.21

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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.