Home / 350,819.04-526,140.96-137,630.40

Finding the Fourth Proportional to 350,819.04, 526,140.96 and 137,630.40

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Solution

The fourth proportional to 350,819.04, 526,140.96 and 137,630.40 is: 206,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,819.04 : 526,140.96 = 137,630.40 : x
  2. Step 2: Convert to fraction form
    350,819.04/526,140.96 = 137,630.40/x
  3. Step 3: Cross multiply
    350,819.04x = 526,140.96 × 137,630.40
  4. Step 4: Simplify right side
    350,819.04x = 72,412,990,781.18
  5. Step 5: Solve for x
    x = 72,412,990,781.18/350,819.04
  6. Step 6: Final answer
    x = 206,411.23

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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.