Home / 310,933.18-429,146.54-194,700.62

Finding the Fourth Proportional to 310,933.18, 429,146.54 and 194,700.62

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Solution

The fourth proportional to 310,933.18, 429,146.54 and 194,700.62 is: 268,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,933.18 : 429,146.54 = 194,700.62 : x
  2. Step 2: Convert to fraction form
    310,933.18/429,146.54 = 194,700.62/x
  3. Step 3: Cross multiply
    310,933.18x = 429,146.54 × 194,700.62
  4. Step 4: Simplify right side
    310,933.18x = 83,555,097,408.85
  5. Step 5: Solve for x
    x = 83,555,097,408.85/310,933.18
  6. Step 6: Final answer
    x = 268,723.64

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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.