Home / 288,000.20-432,065.10-169,610.60

Finding the Fourth Proportional to 288,000.20, 432,065.10 and 169,610.60

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Solution

The fourth proportional to 288,000.20, 432,065.10 and 169,610.60 is: 254,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,000.20 : 432,065.10 = 169,610.60 : x
  2. Step 2: Convert to fraction form
    288,000.20/432,065.10 = 169,610.60/x
  3. Step 3: Cross multiply
    288,000.20x = 432,065.10 × 169,610.60
  4. Step 4: Simplify right side
    288,000.20x = 73,282,820,850.06
  5. Step 5: Solve for x
    x = 73,282,820,850.06/288,000.20
  6. Step 6: Final answer
    x = 254,454.06

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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.