Home / 538,629.78-807,965.10-201,634.98

Finding the Fourth Proportional to 538,629.78, 807,965.10 and 201,634.98

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Solution

The fourth proportional to 538,629.78, 807,965.10 and 201,634.98 is: 302,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,629.78 : 807,965.10 = 201,634.98 : x
  2. Step 2: Convert to fraction form
    538,629.78/807,965.10 = 201,634.98/x
  3. Step 3: Cross multiply
    538,629.78x = 807,965.10 × 201,634.98
  4. Step 4: Simplify right side
    538,629.78x = 162,914,026,779.20
  5. Step 5: Solve for x
    x = 162,914,026,779.20/538,629.78
  6. Step 6: Final answer
    x = 302,460.12

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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.