Home / 276,312.48-414,367.20-98,771.28

Finding the Fourth Proportional to 276,312.48, 414,367.20 and 98,771.28

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Solution

The fourth proportional to 276,312.48, 414,367.20 and 98,771.28 is: 148,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,312.48 : 414,367.20 = 98,771.28 : x
  2. Step 2: Convert to fraction form
    276,312.48/414,367.20 = 98,771.28/x
  3. Step 3: Cross multiply
    276,312.48x = 414,367.20 × 98,771.28
  4. Step 4: Simplify right side
    276,312.48x = 40,927,578,734.02
  5. Step 5: Solve for x
    x = 40,927,578,734.02/276,312.48
  6. Step 6: Final answer
    x = 148,120.63

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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.