Home / 245,209.96-338,544.66-160,470.28

Finding the Fourth Proportional to 245,209.96, 338,544.66 and 160,470.28

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Solution

The fourth proportional to 245,209.96, 338,544.66 and 160,470.28 is: 221,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,209.96 : 338,544.66 = 160,470.28 : x
  2. Step 2: Convert to fraction form
    245,209.96/338,544.66 = 160,470.28/x
  3. Step 3: Cross multiply
    245,209.96x = 338,544.66 × 160,470.28
  4. Step 4: Simplify right side
    245,209.96x = 54,326,356,382.70
  5. Step 5: Solve for x
    x = 54,326,356,382.70/245,209.96
  6. Step 6: Final answer
    x = 221,550.37

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1.5x scale

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.