Home / 231,719.40-347,579.10-148,775.40

Finding the Fourth Proportional to 231,719.40, 347,579.10 and 148,775.40

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Solution

The fourth proportional to 231,719.40, 347,579.10 and 148,775.40 is: 223,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,719.40 : 347,579.10 = 148,775.40 : x
  2. Step 2: Convert to fraction form
    231,719.40/347,579.10 = 148,775.40/x
  3. Step 3: Cross multiply
    231,719.40x = 347,579.10 × 148,775.40
  4. Step 4: Simplify right side
    231,719.40x = 51,711,219,634.14
  5. Step 5: Solve for x
    x = 51,711,219,634.14/231,719.40
  6. Step 6: Final answer
    x = 223,163.10

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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.