Home / 376,345.27-519,120.26-223,275.12

Finding the Fourth Proportional to 376,345.27, 519,120.26 and 223,275.12

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Solution

The fourth proportional to 376,345.27, 519,120.26 and 223,275.12 is: 307,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,345.27 : 519,120.26 = 223,275.12 : x
  2. Step 2: Convert to fraction form
    376,345.27/519,120.26 = 223,275.12/x
  3. Step 3: Cross multiply
    376,345.27x = 519,120.26 × 223,275.12
  4. Step 4: Simplify right side
    376,345.27x = 115,906,636,120.14
  5. Step 5: Solve for x
    x = 115,906,636,120.14/376,345.27
  6. Step 6: Final answer
    x = 307,979.52

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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.