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Finding the Fourth Proportional to 262,042.66, 361,582.41 and 147,305.08

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Solution

The fourth proportional to 262,042.66, 361,582.41 and 147,305.08 is: 203,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,042.66 : 361,582.41 = 147,305.08 : x
  2. Step 2: Convert to fraction form
    262,042.66/361,582.41 = 147,305.08/x
  3. Step 3: Cross multiply
    262,042.66x = 361,582.41 × 147,305.08
  4. Step 4: Simplify right side
    262,042.66x = 53,262,925,831.64
  5. Step 5: Solve for x
    x = 53,262,925,831.64/262,042.66
  6. Step 6: Final answer
    x = 203,260.51

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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.