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Finding the Fourth Proportional to 538,339.10, 807,581.55 and 201,298.10

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Solution

The fourth proportional to 538,339.10, 807,581.55 and 201,298.10 is: 301,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,339.10 : 807,581.55 = 201,298.10 : x
  2. Step 2: Convert to fraction form
    538,339.10/807,581.55 = 201,298.10/x
  3. Step 3: Cross multiply
    538,339.10x = 807,581.55 × 201,298.10
  4. Step 4: Simplify right side
    538,339.10x = 162,564,631,610.06
  5. Step 5: Solve for x
    x = 162,564,631,610.06/538,339.10
  6. Step 6: Final answer
    x = 301,974.41

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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.