Home / 432,910.08-649,365.84-180,187.20

Finding the Fourth Proportional to 432,910.08, 649,365.84 and 180,187.20

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Solution

The fourth proportional to 432,910.08, 649,365.84 and 180,187.20 is: 270,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,910.08 : 649,365.84 = 180,187.20 : x
  2. Step 2: Convert to fraction form
    432,910.08/649,365.84 = 180,187.20/x
  3. Step 3: Cross multiply
    432,910.08x = 649,365.84 × 180,187.20
  4. Step 4: Simplify right side
    432,910.08x = 117,007,412,485.25
  5. Step 5: Solve for x
    x = 117,007,412,485.25/432,910.08
  6. Step 6: Final answer
    x = 270,281.10

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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.