Home / 355,629.80-533,747.10-145,418.60

Finding the Fourth Proportional to 355,629.80, 533,747.10 and 145,418.60

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Solution

The fourth proportional to 355,629.80, 533,747.10 and 145,418.60 is: 218,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,629.80 : 533,747.10 = 145,418.60 : x
  2. Step 2: Convert to fraction form
    355,629.80/533,747.10 = 145,418.60/x
  3. Step 3: Cross multiply
    355,629.80x = 533,747.10 × 145,418.60
  4. Step 4: Simplify right side
    355,629.80x = 77,616,756,036.06
  5. Step 5: Solve for x
    x = 77,616,756,036.06/355,629.80
  6. Step 6: Final answer
    x = 218,251.55

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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.