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Finding the Fourth Proportional to 214,160.48, 295,540.80 and 138,839.84

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Solution

The fourth proportional to 214,160.48, 295,540.80 and 138,839.84 is: 191,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,160.48 : 295,540.80 = 138,839.84 : x
  2. Step 2: Convert to fraction form
    214,160.48/295,540.80 = 138,839.84/x
  3. Step 3: Cross multiply
    214,160.48x = 295,540.80 × 138,839.84
  4. Step 4: Simplify right side
    214,160.48x = 41,032,837,385.47
  5. Step 5: Solve for x
    x = 41,032,837,385.47/214,160.48
  6. Step 6: Final answer
    x = 191,598.55

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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.