Home / 177,999.30-266,480.55-172,815.30

Finding the Fourth Proportional to 177,999.30, 266,480.55 and 172,815.30

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Solution

The fourth proportional to 177,999.30, 266,480.55 and 172,815.30 is: 258,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,999.30 : 266,480.55 = 172,815.30 : x
  2. Step 2: Convert to fraction form
    177,999.30/266,480.55 = 172,815.30/x
  3. Step 3: Cross multiply
    177,999.30x = 266,480.55 × 172,815.30
  4. Step 4: Simplify right side
    177,999.30x = 46,051,916,192.42
  5. Step 5: Solve for x
    x = 46,051,916,192.42/177,999.30
  6. Step 6: Final answer
    x = 258,719.65

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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.