Home / 261,639.22-361,111.89-148,472.50

Finding the Fourth Proportional to 261,639.22, 361,111.89 and 148,472.50

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Solution

The fourth proportional to 261,639.22, 361,111.89 and 148,472.50 is: 204,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,639.22 : 361,111.89 = 148,472.50 : x
  2. Step 2: Convert to fraction form
    261,639.22/361,111.89 = 148,472.50/x
  3. Step 3: Cross multiply
    261,639.22x = 361,111.89 × 148,472.50
  4. Step 4: Simplify right side
    261,639.22x = 53,615,185,088.03
  5. Step 5: Solve for x
    x = 53,615,185,088.03/261,639.22
  6. Step 6: Final answer
    x = 204,920.29

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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.