Home / 432,832.04-649,280.66-129,202.20

Finding the Fourth Proportional to 432,832.04, 649,280.66 and 129,202.20

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Solution

The fourth proportional to 432,832.04, 649,280.66 and 129,202.20 is: 193,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,832.04 : 649,280.66 = 129,202.20 : x
  2. Step 2: Convert to fraction form
    432,832.04/649,280.66 = 129,202.20/x
  3. Step 3: Cross multiply
    432,832.04x = 649,280.66 × 129,202.20
  4. Step 4: Simplify right side
    432,832.04x = 83,888,486,443.05
  5. Step 5: Solve for x
    x = 83,888,486,443.05/432,832.04
  6. Step 6: Final answer
    x = 193,813.03

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1.5x scale

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.