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Finding the Fourth Proportional to 486,806.80, 730,080.60 and 149,846.80

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Solution

The fourth proportional to 486,806.80, 730,080.60 and 149,846.80 is: 224,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,806.80 : 730,080.60 = 149,846.80 : x
  2. Step 2: Convert to fraction form
    486,806.80/730,080.60 = 149,846.80/x
  3. Step 3: Cross multiply
    486,806.80x = 730,080.60 × 149,846.80
  4. Step 4: Simplify right side
    486,806.80x = 109,400,241,652.08
  5. Step 5: Solve for x
    x = 109,400,241,652.08/486,806.80
  6. Step 6: Final answer
    x = 224,730.31

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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.