Home / 310,607.24-428,608.38-181,575.88

Finding the Fourth Proportional to 310,607.24, 428,608.38 and 181,575.88

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Solution

The fourth proportional to 310,607.24, 428,608.38 and 181,575.88 is: 250,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,607.24 : 428,608.38 = 181,575.88 : x
  2. Step 2: Convert to fraction form
    310,607.24/428,608.38 = 181,575.88/x
  3. Step 3: Cross multiply
    310,607.24x = 428,608.38 × 181,575.88
  4. Step 4: Simplify right side
    310,607.24x = 77,824,943,773.87
  5. Step 5: Solve for x
    x = 77,824,943,773.87/310,607.24
  6. Step 6: Final answer
    x = 250,557.40

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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.