Home / 253,288.69-349,549.36-140,111.44

Finding the Fourth Proportional to 253,288.69, 349,549.36 and 140,111.44

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Solution

The fourth proportional to 253,288.69, 349,549.36 and 140,111.44 is: 193,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,288.69 : 349,549.36 = 140,111.44 : x
  2. Step 2: Convert to fraction form
    253,288.69/349,549.36 = 140,111.44/x
  3. Step 3: Cross multiply
    253,288.69x = 349,549.36 × 140,111.44
  4. Step 4: Simplify right side
    253,288.69x = 48,975,862,956.53
  5. Step 5: Solve for x
    x = 48,975,862,956.53/253,288.69
  6. Step 6: Final answer
    x = 193,359.85

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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.