Home / 397,250.46-548,199.03-215,966.94

Finding the Fourth Proportional to 397,250.46, 548,199.03 and 215,966.94

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Solution

The fourth proportional to 397,250.46, 548,199.03 and 215,966.94 is: 298,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,250.46 : 548,199.03 = 215,966.94 : x
  2. Step 2: Convert to fraction form
    397,250.46/548,199.03 = 215,966.94/x
  3. Step 3: Cross multiply
    397,250.46x = 548,199.03 × 215,966.94
  4. Step 4: Simplify right side
    397,250.46x = 118,392,867,020.07
  5. Step 5: Solve for x
    x = 118,392,867,020.07/397,250.46
  6. Step 6: Final answer
    x = 298,030.79

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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.