Home / 397,442.20-596,268.90-172,706.20

Finding the Fourth Proportional to 397,442.20, 596,268.90 and 172,706.20

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Solution

The fourth proportional to 397,442.20, 596,268.90 and 172,706.20 is: 259,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,442.20 : 596,268.90 = 172,706.20 : x
  2. Step 2: Convert to fraction form
    397,442.20/596,268.90 = 172,706.20/x
  3. Step 3: Cross multiply
    397,442.20x = 596,268.90 × 172,706.20
  4. Step 4: Simplify right side
    397,442.20x = 102,979,335,897.18
  5. Step 5: Solve for x
    x = 102,979,335,897.18/397,442.20
  6. Step 6: Final answer
    x = 259,105.19

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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.