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Finding the Fourth Proportional to 263,229.84, 363,228.84 and 155,804.40

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Solution

The fourth proportional to 263,229.84, 363,228.84 and 155,804.40 is: 214,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,229.84 : 363,228.84 = 155,804.40 : x
  2. Step 2: Convert to fraction form
    263,229.84/363,228.84 = 155,804.40/x
  3. Step 3: Cross multiply
    263,229.84x = 363,228.84 × 155,804.40
  4. Step 4: Simplify right side
    263,229.84x = 56,592,651,478.90
  5. Step 5: Solve for x
    x = 56,592,651,478.90/263,229.84
  6. Step 6: Final answer
    x = 214,993.30

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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.