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Finding the Fourth Proportional to 335,886.60, 503,829.90 and 99,231.60

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Solution

The fourth proportional to 335,886.60, 503,829.90 and 99,231.60 is: 148,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,886.60 : 503,829.90 = 99,231.60 : x
  2. Step 2: Convert to fraction form
    335,886.60/503,829.90 = 99,231.60/x
  3. Step 3: Cross multiply
    335,886.60x = 503,829.90 × 99,231.60
  4. Step 4: Simplify right side
    335,886.60x = 49,995,847,104.84
  5. Step 5: Solve for x
    x = 49,995,847,104.84/335,886.60
  6. Step 6: Final answer
    x = 148,847.40

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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.