Home / 279,036.46-385,083.48-158,180.10

Finding the Fourth Proportional to 279,036.46, 385,083.48 and 158,180.10

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Solution

The fourth proportional to 279,036.46, 385,083.48 and 158,180.10 is: 218,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,036.46 : 385,083.48 = 158,180.10 : x
  2. Step 2: Convert to fraction form
    279,036.46/385,083.48 = 158,180.10/x
  3. Step 3: Cross multiply
    279,036.46x = 385,083.48 × 158,180.10
  4. Step 4: Simplify right side
    279,036.46x = 60,912,543,374.75
  5. Step 5: Solve for x
    x = 60,912,543,374.75/279,036.46
  6. Step 6: Final answer
    x = 218,296.00

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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.