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Finding the Fourth Proportional to 253,648.91, 349,867.08 and 163,119.42

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Solution

The fourth proportional to 253,648.91, 349,867.08 and 163,119.42 is: 224,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,648.91 : 349,867.08 = 163,119.42 : x
  2. Step 2: Convert to fraction form
    253,648.91/349,867.08 = 163,119.42/x
  3. Step 3: Cross multiply
    253,648.91x = 349,867.08 × 163,119.42
  4. Step 4: Simplify right side
    253,648.91x = 57,070,115,166.69
  5. Step 5: Solve for x
    x = 57,070,115,166.69/253,648.91
  6. Step 6: Final answer
    x = 224,996.49

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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.