Home / 379,442.30-523,637.28-207,367.56

Finding the Fourth Proportional to 379,442.30, 523,637.28 and 207,367.56

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Solution

The fourth proportional to 379,442.30, 523,637.28 and 207,367.56 is: 286,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,442.30 : 523,637.28 = 207,367.56 : x
  2. Step 2: Convert to fraction form
    379,442.30/523,637.28 = 207,367.56/x
  3. Step 3: Cross multiply
    379,442.30x = 523,637.28 × 207,367.56
  4. Step 4: Simplify right side
    379,442.30x = 108,585,385,078.64
  5. Step 5: Solve for x
    x = 108,585,385,078.64/379,442.30
  6. Step 6: Final answer
    x = 286,171.01

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1.5x scale

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.