Home / 397,334.07-548,327.85-216,047.22

Finding the Fourth Proportional to 397,334.07, 548,327.85 and 216,047.22

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Solution

The fourth proportional to 397,334.07, 548,327.85 and 216,047.22 is: 298,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,334.07 : 548,327.85 = 216,047.22 : x
  2. Step 2: Convert to fraction form
    397,334.07/548,327.85 = 216,047.22/x
  3. Step 3: Cross multiply
    397,334.07x = 548,327.85 × 216,047.22
  4. Step 4: Simplify right side
    397,334.07x = 118,464,707,641.08
  5. Step 5: Solve for x
    x = 118,464,707,641.08/397,334.07
  6. Step 6: Final answer
    x = 298,148.88

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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.