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Finding the Fourth Proportional to 281,265.73, 388,145.31 and 152,204.11

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Solution

The fourth proportional to 281,265.73, 388,145.31 and 152,204.11 is: 210,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,265.73 : 388,145.31 = 152,204.11 : x
  2. Step 2: Convert to fraction form
    281,265.73/388,145.31 = 152,204.11/x
  3. Step 3: Cross multiply
    281,265.73x = 388,145.31 × 152,204.11
  4. Step 4: Simplify right side
    281,265.73x = 59,077,311,459.22
  5. Step 5: Solve for x
    x = 59,077,311,459.22/281,265.73
  6. Step 6: Final answer
    x = 210,040.92

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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.