Home / 245,837.86-339,256.15-143,882.74

Finding the Fourth Proportional to 245,837.86, 339,256.15 and 143,882.74

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Solution

The fourth proportional to 245,837.86, 339,256.15 and 143,882.74 is: 198,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,837.86 : 339,256.15 = 143,882.74 : x
  2. Step 2: Convert to fraction form
    245,837.86/339,256.15 = 143,882.74/x
  3. Step 3: Cross multiply
    245,837.86x = 339,256.15 × 143,882.74
  4. Step 4: Simplify right side
    245,837.86x = 48,813,104,423.85
  5. Step 5: Solve for x
    x = 48,813,104,423.85/245,837.86
  6. Step 6: Final answer
    x = 198,558.12

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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.