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Finding the Fourth Proportional to 262,943.64, 363,031.74 and 234,600.12

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Solution

The fourth proportional to 262,943.64, 363,031.74 and 234,600.12 is: 323,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,943.64 : 363,031.74 = 234,600.12 : x
  2. Step 2: Convert to fraction form
    262,943.64/363,031.74 = 234,600.12/x
  3. Step 3: Cross multiply
    262,943.64x = 363,031.74 × 234,600.12
  4. Step 4: Simplify right side
    262,943.64x = 85,167,289,767.81
  5. Step 5: Solve for x
    x = 85,167,289,767.81/262,943.64
  6. Step 6: Final answer
    x = 323,899.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.