Home / 305,944.29-458,758.71-137,320.06

Finding the Fourth Proportional to 305,944.29, 458,758.71 and 137,320.06

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Solution

The fourth proportional to 305,944.29, 458,758.71 and 137,320.06 is: 205,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,944.29 : 458,758.71 = 137,320.06 : x
  2. Step 2: Convert to fraction form
    305,944.29/458,758.71 = 137,320.06/x
  3. Step 3: Cross multiply
    305,944.29x = 458,758.71 × 137,320.06
  4. Step 4: Simplify right side
    305,944.29x = 62,996,773,682.21
  5. Step 5: Solve for x
    x = 62,996,773,682.21/305,944.29
  6. Step 6: Final answer
    x = 205,909.30

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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.