Home / 400,394.13-552,543.84-219,106.01

Finding the Fourth Proportional to 400,394.13, 552,543.84 and 219,106.01

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Solution

The fourth proportional to 400,394.13, 552,543.84 and 219,106.01 is: 302,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,394.13 : 552,543.84 = 219,106.01 : x
  2. Step 2: Convert to fraction form
    400,394.13/552,543.84 = 219,106.01/x
  3. Step 3: Cross multiply
    400,394.13x = 552,543.84 × 219,106.01
  4. Step 4: Simplify right side
    400,394.13x = 121,065,675,441.80
  5. Step 5: Solve for x
    x = 121,065,675,441.80/400,394.13
  6. Step 6: Final answer
    x = 302,366.26

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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.