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Finding the Fourth Proportional to 304,138.96, 456,179.12 and 93,720.40

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Solution

The fourth proportional to 304,138.96, 456,179.12 and 93,720.40 is: 140,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,138.96 : 456,179.12 = 93,720.40 : x
  2. Step 2: Convert to fraction form
    304,138.96/456,179.12 = 93,720.40/x
  3. Step 3: Cross multiply
    304,138.96x = 456,179.12 × 93,720.40
  4. Step 4: Simplify right side
    304,138.96x = 42,753,289,598.05
  5. Step 5: Solve for x
    x = 42,753,289,598.05/304,138.96
  6. Step 6: Final answer
    x = 140,571.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.