Home / 253,581.95-349,943.12-140,404.70

Finding the Fourth Proportional to 253,581.95, 349,943.12 and 140,404.70

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Solution

The fourth proportional to 253,581.95, 349,943.12 and 140,404.70 is: 193,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,581.95 : 349,943.12 = 140,404.70 : x
  2. Step 2: Convert to fraction form
    253,581.95/349,943.12 = 140,404.70/x
  3. Step 3: Cross multiply
    253,581.95x = 349,943.12 × 140,404.70
  4. Step 4: Simplify right side
    253,581.95x = 49,133,659,480.02
  5. Step 5: Solve for x
    x = 49,133,659,480.02/253,581.95
  6. Step 6: Final answer
    x = 193,758.50

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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.