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Finding the Fourth Proportional to 538,281.03, 807,394.70 and 201,296.90

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Solution

The fourth proportional to 538,281.03, 807,394.70 and 201,296.90 is: 301,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,281.03 : 807,394.70 = 201,296.90 : x
  2. Step 2: Convert to fraction form
    538,281.03/807,394.70 = 201,296.90/x
  3. Step 3: Cross multiply
    538,281.03x = 807,394.70 × 201,296.90
  4. Step 4: Simplify right side
    538,281.03x = 162,526,052,708.16
  5. Step 5: Solve for x
    x = 162,526,052,708.16/538,281.03
  6. Step 6: Final answer
    x = 301,935.32

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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.