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Finding the Fourth Proportional to 376,354.92, 519,370.52 and 223,423.78

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Solution

The fourth proportional to 376,354.92, 519,370.52 and 223,423.78 is: 308,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,354.92 : 519,370.52 = 223,423.78 : x
  2. Step 2: Convert to fraction form
    376,354.92/519,370.52 = 223,423.78/x
  3. Step 3: Cross multiply
    376,354.92x = 519,370.52 × 223,423.78
  4. Step 4: Simplify right side
    376,354.92x = 116,039,724,798.97
  5. Step 5: Solve for x
    x = 116,039,724,798.97/376,354.92
  6. Step 6: Final answer
    x = 308,325.25

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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.