Home / 245,821.95-368,609.43-143,272.29

Finding the Fourth Proportional to 245,821.95, 368,609.43 and 143,272.29

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Solution

The fourth proportional to 245,821.95, 368,609.43 and 143,272.29 is: 214,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,821.95 : 368,609.43 = 143,272.29 : x
  2. Step 2: Convert to fraction form
    245,821.95/368,609.43 = 143,272.29/x
  3. Step 3: Cross multiply
    245,821.95x = 368,609.43 × 143,272.29
  4. Step 4: Simplify right side
    245,821.95x = 52,811,517,151.69
  5. Step 5: Solve for x
    x = 52,811,517,151.69/245,821.95
  6. Step 6: Final answer
    x = 214,836.46

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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.