Home / 400,621.04-552,863.58-219,329.96

Finding the Fourth Proportional to 400,621.04, 552,863.58 and 219,329.96

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Solution

The fourth proportional to 400,621.04, 552,863.58 and 219,329.96 is: 302,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,621.04 : 552,863.58 = 219,329.96 : x
  2. Step 2: Convert to fraction form
    400,621.04/552,863.58 = 219,329.96/x
  3. Step 3: Cross multiply
    400,621.04x = 552,863.58 × 219,329.96
  4. Step 4: Simplify right side
    400,621.04x = 121,259,546,886.86
  5. Step 5: Solve for x
    x = 121,259,546,886.86/400,621.04
  6. Step 6: Final answer
    x = 302,678.93

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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.