Home / 251,787.29-347,513.09-144,358.20

Finding the Fourth Proportional to 251,787.29, 347,513.09 and 144,358.20

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Solution

The fourth proportional to 251,787.29, 347,513.09 and 144,358.20 is: 199,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,787.29 : 347,513.09 = 144,358.20 : x
  2. Step 2: Convert to fraction form
    251,787.29/347,513.09 = 144,358.20/x
  3. Step 3: Cross multiply
    251,787.29x = 347,513.09 × 144,358.20
  4. Step 4: Simplify right side
    251,787.29x = 50,166,363,427.05
  5. Step 5: Solve for x
    x = 50,166,363,427.05/251,787.29
  6. Step 6: Final answer
    x = 199,241.05

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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.