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Finding the Fourth Proportional to 202,244.60, 279,153.06 and 117,389

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Solution

The fourth proportional to 202,244.60, 279,153.06 and 117,389 is: 162,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,244.60 : 279,153.06 = 117,389 : x
  2. Step 2: Convert to fraction form
    202,244.60/279,153.06 = 117,389/x
  3. Step 3: Cross multiply
    202,244.60x = 279,153.06 × 117,389
  4. Step 4: Simplify right side
    202,244.60x = 32,769,498,560.34
  5. Step 5: Solve for x
    x = 32,769,498,560.34/202,244.60
  6. Step 6: Final answer
    x = 162,029.04

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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.