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Finding the Fourth Proportional to 298,289.80, 447,504.72 and 98,610.16

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Solution

The fourth proportional to 298,289.80, 447,504.72 and 98,610.16 is: 147,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,289.80 : 447,504.72 = 98,610.16 : x
  2. Step 2: Convert to fraction form
    298,289.80/447,504.72 = 98,610.16/x
  3. Step 3: Cross multiply
    298,289.80x = 447,504.72 × 98,610.16
  4. Step 4: Simplify right side
    298,289.80x = 44,128,512,039.96
  5. Step 5: Solve for x
    x = 44,128,512,039.96/298,289.80
  6. Step 6: Final answer
    x = 147,938.39

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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.