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Finding the Fourth Proportional to 298,980.18, 448,546.05 and 99,301.62

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Solution

The fourth proportional to 298,980.18, 448,546.05 and 99,301.62 is: 148,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,980.18 : 448,546.05 = 99,301.62 : x
  2. Step 2: Convert to fraction form
    298,980.18/448,546.05 = 99,301.62/x
  3. Step 3: Cross multiply
    298,980.18x = 448,546.05 × 99,301.62
  4. Step 4: Simplify right side
    298,980.18x = 44,541,349,409.60
  5. Step 5: Solve for x
    x = 44,541,349,409.60/298,980.18
  6. Step 6: Final answer
    x = 148,977.60

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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.