Home / 247,035.29-340,911.38-145,061.96

Finding the Fourth Proportional to 247,035.29, 340,911.38 and 145,061.96

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Solution

The fourth proportional to 247,035.29, 340,911.38 and 145,061.96 is: 200,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,035.29 : 340,911.38 = 145,061.96 : x
  2. Step 2: Convert to fraction form
    247,035.29/340,911.38 = 145,061.96/x
  3. Step 3: Cross multiply
    247,035.29x = 340,911.38 × 145,061.96
  4. Step 4: Simplify right side
    247,035.29x = 49,453,272,969.10
  5. Step 5: Solve for x
    x = 49,453,272,969.10/247,035.29
  6. Step 6: Final answer
    x = 200,187.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.