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Finding the Fourth Proportional to 282,525.84, 389,988.01 and 187,063.29

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Solution

The fourth proportional to 282,525.84, 389,988.01 and 187,063.29 is: 258,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,525.84 : 389,988.01 = 187,063.29 : x
  2. Step 2: Convert to fraction form
    282,525.84/389,988.01 = 187,063.29/x
  3. Step 3: Cross multiply
    282,525.84x = 389,988.01 × 187,063.29
  4. Step 4: Simplify right side
    282,525.84x = 72,952,440,211.15
  5. Step 5: Solve for x
    x = 72,952,440,211.15/282,525.84
  6. Step 6: Final answer
    x = 258,215.11

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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.