Home / 276,749.28-414,975.44-87,174.24

Finding the Fourth Proportional to 276,749.28, 414,975.44 and 87,174.24

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Solution

The fourth proportional to 276,749.28, 414,975.44 and 87,174.24 is: 130,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,749.28 : 414,975.44 = 87,174.24 : x
  2. Step 2: Convert to fraction form
    276,749.28/414,975.44 = 87,174.24/x
  3. Step 3: Cross multiply
    276,749.28x = 414,975.44 × 87,174.24
  4. Step 4: Simplify right side
    276,749.28x = 36,175,168,600.67
  5. Step 5: Solve for x
    x = 36,175,168,600.67/276,749.28
  6. Step 6: Final answer
    x = 130,714.59

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1.5x scale

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.