Home / 305,944.25-458,758.80-137,320.02

Finding the Fourth Proportional to 305,944.25, 458,758.80 and 137,320.02

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Solution

The fourth proportional to 305,944.25, 458,758.80 and 137,320.02 is: 205,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,944.25 : 458,758.80 = 137,320.02 : x
  2. Step 2: Convert to fraction form
    305,944.25/458,758.80 = 137,320.02/x
  3. Step 3: Cross multiply
    305,944.25x = 458,758.80 × 137,320.02
  4. Step 4: Simplify right side
    305,944.25x = 62,996,767,591.18
  5. Step 5: Solve for x
    x = 62,996,767,591.18/305,944.25
  6. Step 6: Final answer
    x = 205,909.31

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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.