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Finding the Fourth Proportional to 490,750.26, 736,125.48 and 153,790.80

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Solution

The fourth proportional to 490,750.26, 736,125.48 and 153,790.80 is: 230,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,750.26 : 736,125.48 = 153,790.80 : x
  2. Step 2: Convert to fraction form
    490,750.26/736,125.48 = 153,790.80/x
  3. Step 3: Cross multiply
    490,750.26x = 736,125.48 × 153,790.80
  4. Step 4: Simplify right side
    490,750.26x = 113,209,326,469.58
  5. Step 5: Solve for x
    x = 113,209,326,469.58/490,750.26
  6. Step 6: Final answer
    x = 230,686.23

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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.