Home / 303,493.10-455,196.45-103,822.70

Finding the Fourth Proportional to 303,493.10, 455,196.45 and 103,822.70

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Solution

The fourth proportional to 303,493.10, 455,196.45 and 103,822.70 is: 155,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,493.10 : 455,196.45 = 103,822.70 : x
  2. Step 2: Convert to fraction form
    303,493.10/455,196.45 = 103,822.70/x
  3. Step 3: Cross multiply
    303,493.10x = 455,196.45 × 103,822.70
  4. Step 4: Simplify right side
    303,493.10x = 47,259,724,469.42
  5. Step 5: Solve for x
    x = 47,259,724,469.42/303,493.10
  6. Step 6: Final answer
    x = 155,719.27

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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.