Home / 245,948.50-339,350.61-138,497.14

Finding the Fourth Proportional to 245,948.50, 339,350.61 and 138,497.14

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Solution

The fourth proportional to 245,948.50, 339,350.61 and 138,497.14 is: 191,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,948.50 : 339,350.61 = 138,497.14 : x
  2. Step 2: Convert to fraction form
    245,948.50/339,350.61 = 138,497.14/x
  3. Step 3: Cross multiply
    245,948.50x = 339,350.61 × 138,497.14
  4. Step 4: Simplify right side
    245,948.50x = 46,999,088,942.26
  5. Step 5: Solve for x
    x = 46,999,088,942.26/245,948.50
  6. Step 6: Final answer
    x = 191,093.21

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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.