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Finding the Fourth Proportional to 532,195.80, 798,366.60 and 177,172.80

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Solution

The fourth proportional to 532,195.80, 798,366.60 and 177,172.80 is: 265,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,195.80 : 798,366.60 = 177,172.80 : x
  2. Step 2: Convert to fraction form
    532,195.80/798,366.60 = 177,172.80/x
  3. Step 3: Cross multiply
    532,195.80x = 798,366.60 × 177,172.80
  4. Step 4: Simplify right side
    532,195.80x = 141,448,845,948.48
  5. Step 5: Solve for x
    x = 141,448,845,948.48/532,195.80
  6. Step 6: Final answer
    x = 265,783.47

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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.