Home / 380,236.52-524,516.20-244,290.72

Finding the Fourth Proportional to 380,236.52, 524,516.20 and 244,290.72

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Solution

The fourth proportional to 380,236.52, 524,516.20 and 244,290.72 is: 336,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,236.52 : 524,516.20 = 244,290.72 : x
  2. Step 2: Convert to fraction form
    380,236.52/524,516.20 = 244,290.72/x
  3. Step 3: Cross multiply
    380,236.52x = 524,516.20 × 244,290.72
  4. Step 4: Simplify right side
    380,236.52x = 128,134,440,149.66
  5. Step 5: Solve for x
    x = 128,134,440,149.66/380,236.52
  6. Step 6: Final answer
    x = 336,986.15

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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.