Home / 288,326.02-397,888.33-159,273.38

Finding the Fourth Proportional to 288,326.02, 397,888.33 and 159,273.38

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Solution

The fourth proportional to 288,326.02, 397,888.33 and 159,273.38 is: 219,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,326.02 : 397,888.33 = 159,273.38 : x
  2. Step 2: Convert to fraction form
    288,326.02/397,888.33 = 159,273.38/x
  3. Step 3: Cross multiply
    288,326.02x = 397,888.33 × 159,273.38
  4. Step 4: Simplify right side
    288,326.02x = 63,373,019,181.66
  5. Step 5: Solve for x
    x = 63,373,019,181.66/288,326.02
  6. Step 6: Final answer
    x = 219,796.39

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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.