Home / 279,669.10-385,941.38-152,344.70

Finding the Fourth Proportional to 279,669.10, 385,941.38 and 152,344.70

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Solution

The fourth proportional to 279,669.10, 385,941.38 and 152,344.70 is: 210,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,669.10 : 385,941.38 = 152,344.70 : x
  2. Step 2: Convert to fraction form
    279,669.10/385,941.38 = 152,344.70/x
  3. Step 3: Cross multiply
    279,669.10x = 385,941.38 × 152,344.70
  4. Step 4: Simplify right side
    279,669.10x = 58,796,122,204.84
  5. Step 5: Solve for x
    x = 58,796,122,204.84/279,669.10
  6. Step 6: Final answer
    x = 210,234.60

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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.