Home / 276,901.10-382,125.09-156,044.30

Finding the Fourth Proportional to 276,901.10, 382,125.09 and 156,044.30

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Solution

The fourth proportional to 276,901.10, 382,125.09 and 156,044.30 is: 215,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,901.10 : 382,125.09 = 156,044.30 : x
  2. Step 2: Convert to fraction form
    276,901.10/382,125.09 = 156,044.30/x
  3. Step 3: Cross multiply
    276,901.10x = 382,125.09 × 156,044.30
  4. Step 4: Simplify right side
    276,901.10x = 59,628,442,181.49
  5. Step 5: Solve for x
    x = 59,628,442,181.49/276,901.10
  6. Step 6: Final answer
    x = 215,342.02

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1.5x scale

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.