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Finding the Fourth Proportional to 236,838.33, 355,510.28 and 101,969.15

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Solution

The fourth proportional to 236,838.33, 355,510.28 and 101,969.15 is: 153,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,838.33 : 355,510.28 = 101,969.15 : x
  2. Step 2: Convert to fraction form
    236,838.33/355,510.28 = 101,969.15/x
  3. Step 3: Cross multiply
    236,838.33x = 355,510.28 × 101,969.15
  4. Step 4: Simplify right side
    236,838.33x = 36,251,079,545.23
  5. Step 5: Solve for x
    x = 36,251,079,545.23/236,838.33
  6. Step 6: Final answer
    x = 153,062.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.