Home / 279,156.83-385,225.29-151,832.43

Finding the Fourth Proportional to 279,156.83, 385,225.29 and 151,832.43

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Solution

The fourth proportional to 279,156.83, 385,225.29 and 151,832.43 is: 209,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,156.83 : 385,225.29 = 151,832.43 : x
  2. Step 2: Convert to fraction form
    279,156.83/385,225.29 = 151,832.43/x
  3. Step 3: Cross multiply
    279,156.83x = 385,225.29 × 151,832.43
  4. Step 4: Simplify right side
    279,156.83x = 58,489,691,878.15
  5. Step 5: Solve for x
    x = 58,489,691,878.15/279,156.83
  6. Step 6: Final answer
    x = 209,522.70

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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.