Home / 279,165.06-385,228.82-151,837.92

Finding the Fourth Proportional to 279,165.06, 385,228.82 and 151,837.92

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Solution

The fourth proportional to 279,165.06, 385,228.82 and 151,837.92 is: 209,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,165.06 : 385,228.82 = 151,837.92 : x
  2. Step 2: Convert to fraction form
    279,165.06/385,228.82 = 151,837.92/x
  3. Step 3: Cross multiply
    279,165.06x = 385,228.82 × 151,837.92
  4. Step 4: Simplify right side
    279,165.06x = 58,492,342,752.85
  5. Step 5: Solve for x
    x = 58,492,342,752.85/279,165.06
  6. Step 6: Final answer
    x = 209,526.02

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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.