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Finding the Fourth Proportional to 212,274.55, 292,928.29 and 116,778.79

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Solution

The fourth proportional to 212,274.55, 292,928.29 and 116,778.79 is: 161,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,274.55 : 292,928.29 = 116,778.79 : x
  2. Step 2: Convert to fraction form
    212,274.55/292,928.29 = 116,778.79/x
  3. Step 3: Cross multiply
    212,274.55x = 292,928.29 × 116,778.79
  4. Step 4: Simplify right side
    212,274.55x = 34,207,811,262.97
  5. Step 5: Solve for x
    x = 34,207,811,262.97/212,274.55
  6. Step 6: Final answer
    x = 161,148.90

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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.