Home / 376,041.36-518,853.16-223,001.80

Finding the Fourth Proportional to 376,041.36, 518,853.16 and 223,001.80

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Solution

The fourth proportional to 376,041.36, 518,853.16 and 223,001.80 is: 307,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,041.36 : 518,853.16 = 223,001.80 : x
  2. Step 2: Convert to fraction form
    376,041.36/518,853.16 = 223,001.80/x
  3. Step 3: Cross multiply
    376,041.36x = 518,853.16 × 223,001.80
  4. Step 4: Simplify right side
    376,041.36x = 115,705,188,615.69
  5. Step 5: Solve for x
    x = 115,705,188,615.69/376,041.36
  6. Step 6: Final answer
    x = 307,692.72

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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.