Home / 686,228.10-1,029,342.15-187,592.10

Finding the Fourth Proportional to 686,228.10, 1,029,342.15 and 187,592.10

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Solution

The fourth proportional to 686,228.10, 1,029,342.15 and 187,592.10 is: 281,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,228.10 : 1,029,342.15 = 187,592.10 : x
  2. Step 2: Convert to fraction form
    686,228.10/1,029,342.15 = 187,592.10/x
  3. Step 3: Cross multiply
    686,228.10x = 1,029,342.15 × 187,592.10
  4. Step 4: Simplify right side
    686,228.10x = 193,096,455,537.02
  5. Step 5: Solve for x
    x = 193,096,455,537.02/686,228.10
  6. Step 6: Final answer
    x = 281,388.15

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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.