Home / 279,464.46-385,668.99-152,142.18

Finding the Fourth Proportional to 279,464.46, 385,668.99 and 152,142.18

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Solution

The fourth proportional to 279,464.46, 385,668.99 and 152,142.18 is: 209,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,464.46 : 385,668.99 = 152,142.18 : x
  2. Step 2: Convert to fraction form
    279,464.46/385,668.99 = 152,142.18/x
  3. Step 3: Cross multiply
    279,464.46x = 385,668.99 × 152,142.18
  4. Step 4: Simplify right side
    279,464.46x = 58,676,520,897.00
  5. Step 5: Solve for x
    x = 58,676,520,897.00/279,464.46
  6. Step 6: Final answer
    x = 209,960.58

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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.