Home / 245,606.46-338,812.86-143,565.24

Finding the Fourth Proportional to 245,606.46, 338,812.86 and 143,565.24

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Solution

The fourth proportional to 245,606.46, 338,812.86 and 143,565.24 is: 198,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,606.46 : 338,812.86 = 143,565.24 : x
  2. Step 2: Convert to fraction form
    245,606.46/338,812.86 = 143,565.24/x
  3. Step 3: Cross multiply
    245,606.46x = 338,812.86 × 143,565.24
  4. Step 4: Simplify right side
    245,606.46x = 48,641,749,560.99
  5. Step 5: Solve for x
    x = 48,641,749,560.99/245,606.46
  6. Step 6: Final answer
    x = 198,047.52

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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.