Home / 276,972.37-415,514.45-87,462.34

Finding the Fourth Proportional to 276,972.37, 415,514.45 and 87,462.34

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Solution

The fourth proportional to 276,972.37, 415,514.45 and 87,462.34 is: 131,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,972.37 : 415,514.45 = 87,462.34 : x
  2. Step 2: Convert to fraction form
    276,972.37/415,514.45 = 87,462.34/x
  3. Step 3: Cross multiply
    276,972.37x = 415,514.45 × 87,462.34
  4. Step 4: Simplify right side
    276,972.37x = 36,341,866,100.81
  5. Step 5: Solve for x
    x = 36,341,866,100.81/276,972.37
  6. Step 6: Final answer
    x = 131,211.16

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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.