Home / 305,511.90-458,083.76-137,001.75

Finding the Fourth Proportional to 305,511.90, 458,083.76 and 137,001.75

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Solution

The fourth proportional to 305,511.90, 458,083.76 and 137,001.75 is: 205,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,511.90 : 458,083.76 = 137,001.75 : x
  2. Step 2: Convert to fraction form
    305,511.90/458,083.76 = 137,001.75/x
  3. Step 3: Cross multiply
    305,511.90x = 458,083.76 × 137,001.75
  4. Step 4: Simplify right side
    305,511.90x = 62,758,276,081.57
  5. Step 5: Solve for x
    x = 62,758,276,081.57/305,511.90
  6. Step 6: Final answer
    x = 205,420.07

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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.