Home / 305,876.36-458,561.85-134,976.38

Finding the Fourth Proportional to 305,876.36, 458,561.85 and 134,976.38

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Solution

The fourth proportional to 305,876.36, 458,561.85 and 134,976.38 is: 202,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,876.36 : 458,561.85 = 134,976.38 : x
  2. Step 2: Convert to fraction form
    305,876.36/458,561.85 = 134,976.38/x
  3. Step 3: Cross multiply
    305,876.36x = 458,561.85 × 134,976.38
  4. Step 4: Simplify right side
    305,876.36x = 61,895,018,519.10
  5. Step 5: Solve for x
    x = 61,895,018,519.10/305,876.36
  6. Step 6: Final answer
    x = 202,353.06

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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.