Home / 339,789.27-509,685.54-103,134

Finding the Fourth Proportional to 339,789.27, 509,685.54 and 103,134

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Solution

The fourth proportional to 339,789.27, 509,685.54 and 103,134 is: 154,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,789.27 : 509,685.54 = 103,134 : x
  2. Step 2: Convert to fraction form
    339,789.27/509,685.54 = 103,134/x
  3. Step 3: Cross multiply
    339,789.27x = 509,685.54 × 103,134
  4. Step 4: Simplify right side
    339,789.27x = 52,565,908,482.36
  5. Step 5: Solve for x
    x = 52,565,908,482.36/339,789.27
  6. Step 6: Final answer
    x = 154,701.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.