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Finding the Fourth Proportional to 335,099.40, 502,649.10 and 201,911.10

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Solution

The fourth proportional to 335,099.40, 502,649.10 and 201,911.10 is: 302,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,099.40 : 502,649.10 = 201,911.10 : x
  2. Step 2: Convert to fraction form
    335,099.40/502,649.10 = 201,911.10/x
  3. Step 3: Cross multiply
    335,099.40x = 502,649.10 × 201,911.10
  4. Step 4: Simplify right side
    335,099.40x = 101,490,432,695.01
  5. Step 5: Solve for x
    x = 101,490,432,695.01/335,099.40
  6. Step 6: Final answer
    x = 302,866.65

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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.