Home / 247,009.07-371,009.60-147,363.95

Finding the Fourth Proportional to 247,009.07, 371,009.60 and 147,363.95

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Solution

The fourth proportional to 247,009.07, 371,009.60 and 147,363.95 is: 221,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,009.07 : 371,009.60 = 147,363.95 : x
  2. Step 2: Convert to fraction form
    247,009.07/371,009.60 = 147,363.95/x
  3. Step 3: Cross multiply
    247,009.07x = 371,009.60 × 147,363.95
  4. Step 4: Simplify right side
    247,009.07x = 54,673,437,552.05
  5. Step 5: Solve for x
    x = 54,673,437,552.05/247,009.07
  6. Step 6: Final answer
    x = 221,341.83

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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.