Home / 380,177.46-524,626.20-216,840.42

Finding the Fourth Proportional to 380,177.46, 524,626.20 and 216,840.42

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Solution

The fourth proportional to 380,177.46, 524,626.20 and 216,840.42 is: 299,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,177.46 : 524,626.20 = 216,840.42 : x
  2. Step 2: Convert to fraction form
    380,177.46/524,626.20 = 216,840.42/x
  3. Step 3: Cross multiply
    380,177.46x = 524,626.20 × 216,840.42
  4. Step 4: Simplify right side
    380,177.46x = 113,760,165,551.00
  5. Step 5: Solve for x
    x = 113,760,165,551.00/380,177.46
  6. Step 6: Final answer
    x = 299,229.12

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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.