Home / 279,468.18-385,653.99-152,144.22

Finding the Fourth Proportional to 279,468.18, 385,653.99 and 152,144.22

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Solution

The fourth proportional to 279,468.18, 385,653.99 and 152,144.22 is: 209,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,468.18 : 385,653.99 = 152,144.22 : x
  2. Step 2: Convert to fraction form
    279,468.18/385,653.99 = 152,144.22/x
  3. Step 3: Cross multiply
    279,468.18x = 385,653.99 × 152,144.22
  4. Step 4: Simplify right side
    279,468.18x = 58,675,025,498.44
  5. Step 5: Solve for x
    x = 58,675,025,498.44/279,468.18
  6. Step 6: Final answer
    x = 209,952.44

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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.