Home / 256,972.29-385,537.30-114,937.07

Finding the Fourth Proportional to 256,972.29, 385,537.30 and 114,937.07

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Solution

The fourth proportional to 256,972.29, 385,537.30 and 114,937.07 is: 172,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,972.29 : 385,537.30 = 114,937.07 : x
  2. Step 2: Convert to fraction form
    256,972.29/385,537.30 = 114,937.07/x
  3. Step 3: Cross multiply
    256,972.29x = 385,537.30 × 114,937.07
  4. Step 4: Simplify right side
    256,972.29x = 44,312,525,710.02
  5. Step 5: Solve for x
    x = 44,312,525,710.02/256,972.29
  6. Step 6: Final answer
    x = 172,440.88

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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.