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Finding the Fourth Proportional to 320,508, 480,768.48 and 98,892

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Solution

The fourth proportional to 320,508, 480,768.48 and 98,892 is: 148,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,508 : 480,768.48 = 98,892 : x
  2. Step 2: Convert to fraction form
    320,508/480,768.48 = 98,892/x
  3. Step 3: Cross multiply
    320,508x = 480,768.48 × 98,892
  4. Step 4: Simplify right side
    320,508x = 47,544,156,524.16
  5. Step 5: Solve for x
    x = 47,544,156,524.16/320,508
  6. Step 6: Final answer
    x = 148,340.00

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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.