Home / 397,360.20-596,145.90-172,624.20

Finding the Fourth Proportional to 397,360.20, 596,145.90 and 172,624.20

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Solution

The fourth proportional to 397,360.20, 596,145.90 and 172,624.20 is: 258,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,360.20 : 596,145.90 = 172,624.20 : x
  2. Step 2: Convert to fraction form
    397,360.20/596,145.90 = 172,624.20/x
  3. Step 3: Cross multiply
    397,360.20x = 596,145.90 × 172,624.20
  4. Step 4: Simplify right side
    397,360.20x = 102,909,209,070.78
  5. Step 5: Solve for x
    x = 102,909,209,070.78/397,360.20
  6. Step 6: Final answer
    x = 258,982.18

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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.