Home / 376,429.90-519,244.99-223,367.22

Finding the Fourth Proportional to 376,429.90, 519,244.99 and 223,367.22

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Solution

The fourth proportional to 376,429.90, 519,244.99 and 223,367.22 is: 308,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,429.90 : 519,244.99 = 223,367.22 : x
  2. Step 2: Convert to fraction form
    376,429.90/519,244.99 = 223,367.22/x
  3. Step 3: Cross multiply
    376,429.90x = 519,244.99 × 223,367.22
  4. Step 4: Simplify right side
    376,429.90x = 115,982,309,915.23
  5. Step 5: Solve for x
    x = 115,982,309,915.23/376,429.90
  6. Step 6: Final answer
    x = 308,111.31

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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.