Home / 276,829.40-415,244.10-177,102.20

Finding the Fourth Proportional to 276,829.40, 415,244.10 and 177,102.20

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Solution

The fourth proportional to 276,829.40, 415,244.10 and 177,102.20 is: 265,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,829.40 : 415,244.10 = 177,102.20 : x
  2. Step 2: Convert to fraction form
    276,829.40/415,244.10 = 177,102.20/x
  3. Step 3: Cross multiply
    276,829.40x = 415,244.10 × 177,102.20
  4. Step 4: Simplify right side
    276,829.40x = 73,540,643,647.02
  5. Step 5: Solve for x
    x = 73,540,643,647.02/276,829.40
  6. Step 6: Final answer
    x = 265,653.30

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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.