Home / 345,989.16-476,756.28-255,201.24

Finding the Fourth Proportional to 345,989.16, 476,756.28 and 255,201.24

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Solution

The fourth proportional to 345,989.16, 476,756.28 and 255,201.24 is: 351,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,989.16 : 476,756.28 = 255,201.24 : x
  2. Step 2: Convert to fraction form
    345,989.16/476,756.28 = 255,201.24/x
  3. Step 3: Cross multiply
    345,989.16x = 476,756.28 × 255,201.24
  4. Step 4: Simplify right side
    345,989.16x = 121,668,793,833.79
  5. Step 5: Solve for x
    x = 121,668,793,833.79/345,989.16
  6. Step 6: Final answer
    x = 351,654.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.