Home / 316,150.03-436,281.55-172,906.93

Finding the Fourth Proportional to 316,150.03, 436,281.55 and 172,906.93

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Solution

The fourth proportional to 316,150.03, 436,281.55 and 172,906.93 is: 238,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,150.03 : 436,281.55 = 172,906.93 : x
  2. Step 2: Convert to fraction form
    316,150.03/436,281.55 = 172,906.93/x
  3. Step 3: Cross multiply
    316,150.03x = 436,281.55 × 172,906.93
  4. Step 4: Simplify right side
    316,150.03x = 75,436,103,426.14
  5. Step 5: Solve for x
    x = 75,436,103,426.14/316,150.03
  6. Step 6: Final answer
    x = 238,608.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.