Home / 276,734.15-415,101.53-77,054.97

Finding the Fourth Proportional to 276,734.15, 415,101.53 and 77,054.97

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Solution

The fourth proportional to 276,734.15, 415,101.53 and 77,054.97 is: 115,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,734.15 : 415,101.53 = 77,054.97 : x
  2. Step 2: Convert to fraction form
    276,734.15/415,101.53 = 77,054.97/x
  3. Step 3: Cross multiply
    276,734.15x = 415,101.53 × 77,054.97
  4. Step 4: Simplify right side
    276,734.15x = 31,985,635,941.10
  5. Step 5: Solve for x
    x = 31,985,635,941.10/276,734.15
  6. Step 6: Final answer
    x = 115,582.54

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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.