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Finding the Fourth Proportional to 269,569.07, 372,005.71 and 148,710.12

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Solution

The fourth proportional to 269,569.07, 372,005.71 and 148,710.12 is: 205,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,569.07 : 372,005.71 = 148,710.12 : x
  2. Step 2: Convert to fraction form
    269,569.07/372,005.71 = 148,710.12/x
  3. Step 3: Cross multiply
    269,569.07x = 372,005.71 × 148,710.12
  4. Step 4: Simplify right side
    269,569.07x = 55,321,013,403.01
  5. Step 5: Solve for x
    x = 55,321,013,403.01/269,569.07
  6. Step 6: Final answer
    x = 205,220.18

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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.