Home / 376,439.56-519,258.54-223,377.10

Finding the Fourth Proportional to 376,439.56, 519,258.54 and 223,377.10

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Solution

The fourth proportional to 376,439.56, 519,258.54 and 223,377.10 is: 308,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,439.56 : 519,258.54 = 223,377.10 : x
  2. Step 2: Convert to fraction form
    376,439.56/519,258.54 = 223,377.10/x
  3. Step 3: Cross multiply
    376,439.56x = 519,258.54 × 223,377.10
  4. Step 4: Simplify right side
    376,439.56x = 115,990,466,815.43
  5. Step 5: Solve for x
    x = 115,990,466,815.43/376,439.56
  6. Step 6: Final answer
    x = 308,125.07

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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.