Home / 339,865.61-509,799.23-103,210.07

Finding the Fourth Proportional to 339,865.61, 509,799.23 and 103,210.07

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Solution

The fourth proportional to 339,865.61, 509,799.23 and 103,210.07 is: 154,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,865.61 : 509,799.23 = 103,210.07 : x
  2. Step 2: Convert to fraction form
    339,865.61/509,799.23 = 103,210.07/x
  3. Step 3: Cross multiply
    339,865.61x = 509,799.23 × 103,210.07
  4. Step 4: Simplify right side
    339,865.61x = 52,616,414,214.25
  5. Step 5: Solve for x
    x = 52,616,414,214.25/339,865.61
  6. Step 6: Final answer
    x = 154,815.35

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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.