Home / 316,180.04-436,325.28-172,942.88

Finding the Fourth Proportional to 316,180.04, 436,325.28 and 172,942.88

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Solution

The fourth proportional to 316,180.04, 436,325.28 and 172,942.88 is: 238,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,180.04 : 436,325.28 = 172,942.88 : x
  2. Step 2: Convert to fraction form
    316,180.04/436,325.28 = 172,942.88/x
  3. Step 3: Cross multiply
    316,180.04x = 436,325.28 × 172,942.88
  4. Step 4: Simplify right side
    316,180.04x = 75,459,350,540.01
  5. Step 5: Solve for x
    x = 75,459,350,540.01/316,180.04
  6. Step 6: Final answer
    x = 238,659.44

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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.