Home / 376,042.36-518,854.54-223,002.80

Finding the Fourth Proportional to 376,042.36, 518,854.54 and 223,002.80

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Solution

The fourth proportional to 376,042.36, 518,854.54 and 223,002.80 is: 307,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,042.36 : 518,854.54 = 223,002.80 : x
  2. Step 2: Convert to fraction form
    376,042.36/518,854.54 = 223,002.80/x
  3. Step 3: Cross multiply
    376,042.36x = 518,854.54 × 223,002.80
  4. Step 4: Simplify right side
    376,042.36x = 115,706,015,212.71
  5. Step 5: Solve for x
    x = 115,706,015,212.71/376,042.36
  6. Step 6: Final answer
    x = 307,694.10

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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.