Home / 279,539.44-385,765.94-152,215.07

Finding the Fourth Proportional to 279,539.44, 385,765.94 and 152,215.07

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Solution

The fourth proportional to 279,539.44, 385,765.94 and 152,215.07 is: 210,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,539.44 : 385,765.94 = 152,215.07 : x
  2. Step 2: Convert to fraction form
    279,539.44/385,765.94 = 152,215.07/x
  3. Step 3: Cross multiply
    279,539.44x = 385,765.94 × 152,215.07
  4. Step 4: Simplify right side
    279,539.44x = 58,719,388,012.42
  5. Step 5: Solve for x
    x = 58,719,388,012.42/279,539.44
  6. Step 6: Final answer
    x = 210,057.62

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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.