Home / 268,488.26-370,515.17-147,637.38

Finding the Fourth Proportional to 268,488.26, 370,515.17 and 147,637.38

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Solution

The fourth proportional to 268,488.26, 370,515.17 and 147,637.38 is: 203,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,488.26 : 370,515.17 = 147,637.38 : x
  2. Step 2: Convert to fraction form
    268,488.26/370,515.17 = 147,637.38/x
  3. Step 3: Cross multiply
    268,488.26x = 370,515.17 × 147,637.38
  4. Step 4: Simplify right side
    268,488.26x = 54,701,888,949.05
  5. Step 5: Solve for x
    x = 54,701,888,949.05/268,488.26
  6. Step 6: Final answer
    x = 203,740.34

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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.