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Finding the Fourth Proportional to 262,637.24, 363,903.17 and 256,961.97

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Solution

The fourth proportional to 262,637.24, 363,903.17 and 256,961.97 is: 356,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,637.24 : 363,903.17 = 256,961.97 : x
  2. Step 2: Convert to fraction form
    262,637.24/363,903.17 = 256,961.97/x
  3. Step 3: Cross multiply
    262,637.24x = 363,903.17 × 256,961.97
  4. Step 4: Simplify right side
    262,637.24x = 93,509,274,167.64
  5. Step 5: Solve for x
    x = 93,509,274,167.64/262,637.24
  6. Step 6: Final answer
    x = 356,039.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.