Home / 376,325.28-519,309.93-223,370.15

Finding the Fourth Proportional to 376,325.28, 519,309.93 and 223,370.15

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Solution

The fourth proportional to 376,325.28, 519,309.93 and 223,370.15 is: 308,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,325.28 : 519,309.93 = 223,370.15 : x
  2. Step 2: Convert to fraction form
    376,325.28/519,309.93 = 223,370.15/x
  3. Step 3: Cross multiply
    376,325.28x = 519,309.93 × 223,370.15
  4. Step 4: Simplify right side
    376,325.28x = 115,998,336,960.59
  5. Step 5: Solve for x
    x = 115,998,336,960.59/376,325.28
  6. Step 6: Final answer
    x = 308,239.56

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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.