Home / 253,318.53-349,563.83-140,141.28

Finding the Fourth Proportional to 253,318.53, 349,563.83 and 140,141.28

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Solution

The fourth proportional to 253,318.53, 349,563.83 and 140,141.28 is: 193,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,318.53 : 349,563.83 = 140,141.28 : x
  2. Step 2: Convert to fraction form
    253,318.53/349,563.83 = 140,141.28/x
  3. Step 3: Cross multiply
    253,318.53x = 349,563.83 × 140,141.28
  4. Step 4: Simplify right side
    253,318.53x = 48,988,321,877.20
  5. Step 5: Solve for x
    x = 48,988,321,877.20/253,318.53
  6. Step 6: Final answer
    x = 193,386.26

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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.