Home / 245,451.15-338,716.71-160,566.39

Finding the Fourth Proportional to 245,451.15, 338,716.71 and 160,566.39

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Solution

The fourth proportional to 245,451.15, 338,716.71 and 160,566.39 is: 221,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,451.15 : 338,716.71 = 160,566.39 : x
  2. Step 2: Convert to fraction form
    245,451.15/338,716.71 = 160,566.39/x
  3. Step 3: Cross multiply
    245,451.15x = 338,716.71 × 160,566.39
  4. Step 4: Simplify right side
    245,451.15x = 54,386,519,357.38
  5. Step 5: Solve for x
    x = 54,386,519,357.38/245,451.15
  6. Step 6: Final answer
    x = 221,577.77

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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.