Home / 283,241.06-390,872.61-155,916.62

Finding the Fourth Proportional to 283,241.06, 390,872.61 and 155,916.62

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Solution

The fourth proportional to 283,241.06, 390,872.61 and 155,916.62 is: 215,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,241.06 : 390,872.61 = 155,916.62 : x
  2. Step 2: Convert to fraction form
    283,241.06/390,872.61 = 155,916.62/x
  3. Step 3: Cross multiply
    283,241.06x = 390,872.61 × 155,916.62
  4. Step 4: Simplify right side
    283,241.06x = 60,943,536,201.78
  5. Step 5: Solve for x
    x = 60,943,536,201.78/283,241.06
  6. Step 6: Final answer
    x = 215,164.91

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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.