Home / 231,719.80-347,709.30-98,577.40

Finding the Fourth Proportional to 231,719.80, 347,709.30 and 98,577.40

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Solution

The fourth proportional to 231,719.80, 347,709.30 and 98,577.40 is: 147,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,719.80 : 347,709.30 = 98,577.40 : x
  2. Step 2: Convert to fraction form
    231,719.80/347,709.30 = 98,577.40/x
  3. Step 3: Cross multiply
    231,719.80x = 347,709.30 × 98,577.40
  4. Step 4: Simplify right side
    231,719.80x = 34,276,278,749.82
  5. Step 5: Solve for x
    x = 34,276,278,749.82/231,719.80
  6. Step 6: Final answer
    x = 147,921.23

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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.