Home / 376,426.90-519,240.85-223,364.22

Finding the Fourth Proportional to 376,426.90, 519,240.85 and 223,364.22

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Solution

The fourth proportional to 376,426.90, 519,240.85 and 223,364.22 is: 308,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,426.90 : 519,240.85 = 223,364.22 : x
  2. Step 2: Convert to fraction form
    376,426.90/519,240.85 = 223,364.22/x
  3. Step 3: Cross multiply
    376,426.90x = 519,240.85 × 223,364.22
  4. Step 4: Simplify right side
    376,426.90x = 115,979,827,452.39
  5. Step 5: Solve for x
    x = 115,979,827,452.39/376,426.90
  6. Step 6: Final answer
    x = 308,107.17

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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.