Home / 303,906.03-455,864.91-93,543.75

Finding the Fourth Proportional to 303,906.03, 455,864.91 and 93,543.75

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Solution

The fourth proportional to 303,906.03, 455,864.91 and 93,543.75 is: 140,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,906.03 : 455,864.91 = 93,543.75 : x
  2. Step 2: Convert to fraction form
    303,906.03/455,864.91 = 93,543.75/x
  3. Step 3: Cross multiply
    303,906.03x = 455,864.91 × 93,543.75
  4. Step 4: Simplify right side
    303,906.03x = 42,643,313,174.81
  5. Step 5: Solve for x
    x = 42,643,313,174.81/303,906.03
  6. Step 6: Final answer
    x = 140,317.43

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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.