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Finding the Fourth Proportional to 247,884.45, 342,082.71 and 134,707.20

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Solution

The fourth proportional to 247,884.45, 342,082.71 and 134,707.20 is: 185,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,884.45 : 342,082.71 = 134,707.20 : x
  2. Step 2: Convert to fraction form
    247,884.45/342,082.71 = 134,707.20/x
  3. Step 3: Cross multiply
    247,884.45x = 342,082.71 × 134,707.20
  4. Step 4: Simplify right side
    247,884.45x = 46,081,004,032.51
  5. Step 5: Solve for x
    x = 46,081,004,032.51/247,884.45
  6. Step 6: Final answer
    x = 185,897.11

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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.