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Finding the Fourth Proportional to 553,222.97, 829,616.10 and 268,829.27

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Solution

The fourth proportional to 553,222.97, 829,616.10 and 268,829.27 is: 403,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,222.97 : 829,616.10 = 268,829.27 : x
  2. Step 2: Convert to fraction form
    553,222.97/829,616.10 = 268,829.27/x
  3. Step 3: Cross multiply
    553,222.97x = 829,616.10 × 268,829.27
  4. Step 4: Simplify right side
    553,222.97x = 223,025,090,543.25
  5. Step 5: Solve for x
    x = 223,025,090,543.25/553,222.97
  6. Step 6: Final answer
    x = 403,137.80

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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.