Home / 397,276.01-548,229.35-225,209.93

Finding the Fourth Proportional to 397,276.01, 548,229.35 and 225,209.93

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Solution

The fourth proportional to 397,276.01, 548,229.35 and 225,209.93 is: 310,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,276.01 : 548,229.35 = 225,209.93 : x
  2. Step 2: Convert to fraction form
    397,276.01/548,229.35 = 225,209.93/x
  3. Step 3: Cross multiply
    397,276.01x = 548,229.35 × 225,209.93
  4. Step 4: Simplify right side
    397,276.01x = 123,466,693,537.45
  5. Step 5: Solve for x
    x = 123,466,693,537.45/397,276.01
  6. Step 6: Final answer
    x = 310,783.16

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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.