Home / 252,948.85-349,105.01-161,038.78

Finding the Fourth Proportional to 252,948.85, 349,105.01 and 161,038.78

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Solution

The fourth proportional to 252,948.85, 349,105.01 and 161,038.78 is: 222,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,948.85 : 349,105.01 = 161,038.78 : x
  2. Step 2: Convert to fraction form
    252,948.85/349,105.01 = 161,038.78/x
  3. Step 3: Cross multiply
    252,948.85x = 349,105.01 × 161,038.78
  4. Step 4: Simplify right side
    252,948.85x = 56,219,444,432.12
  5. Step 5: Solve for x
    x = 56,219,444,432.12/252,948.85
  6. Step 6: Final answer
    x = 222,256.18

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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.