Home / 400,844.18-553,164.84-219,567.39

Finding the Fourth Proportional to 400,844.18, 553,164.84 and 219,567.39

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Solution

The fourth proportional to 400,844.18, 553,164.84 and 219,567.39 is: 303,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,844.18 : 553,164.84 = 219,567.39 : x
  2. Step 2: Convert to fraction form
    400,844.18/553,164.84 = 219,567.39/x
  3. Step 3: Cross multiply
    400,844.18x = 553,164.84 × 219,567.39
  4. Step 4: Simplify right side
    400,844.18x = 121,456,960,158.57
  5. Step 5: Solve for x
    x = 121,456,960,158.57/400,844.18
  6. Step 6: Final answer
    x = 303,002.93

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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.