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Finding the Fourth Proportional to 532,655.52, 798,986.28 and 177,668.56

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Solution

The fourth proportional to 532,655.52, 798,986.28 and 177,668.56 is: 266,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,655.52 : 798,986.28 = 177,668.56 : x
  2. Step 2: Convert to fraction form
    532,655.52/798,986.28 = 177,668.56/x
  3. Step 3: Cross multiply
    532,655.52x = 798,986.28 × 177,668.56
  4. Step 4: Simplify right side
    532,655.52x = 141,954,741,827.36
  5. Step 5: Solve for x
    x = 141,954,741,827.36/532,655.52
  6. Step 6: Final answer
    x = 266,503.84

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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.