Home / 310,669.68-466,095.20-123,708.72

Finding the Fourth Proportional to 310,669.68, 466,095.20 and 123,708.72

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Solution

The fourth proportional to 310,669.68, 466,095.20 and 123,708.72 is: 185,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,669.68 : 466,095.20 = 123,708.72 : x
  2. Step 2: Convert to fraction form
    310,669.68/466,095.20 = 123,708.72/x
  3. Step 3: Cross multiply
    310,669.68x = 466,095.20 × 123,708.72
  4. Step 4: Simplify right side
    310,669.68x = 57,660,040,590.14
  5. Step 5: Solve for x
    x = 57,660,040,590.14/310,669.68
  6. Step 6: Final answer
    x = 185,599.19

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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.