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Finding the Fourth Proportional to 262,409.40, 393,614.10 and 242,134.20

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Solution

The fourth proportional to 262,409.40, 393,614.10 and 242,134.20 is: 363,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,409.40 : 393,614.10 = 242,134.20 : x
  2. Step 2: Convert to fraction form
    262,409.40/393,614.10 = 242,134.20/x
  3. Step 3: Cross multiply
    262,409.40x = 393,614.10 × 242,134.20
  4. Step 4: Simplify right side
    262,409.40x = 95,307,435,212.22
  5. Step 5: Solve for x
    x = 95,307,435,212.22/262,409.40
  6. Step 6: Final answer
    x = 363,201.30

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1.5x scale

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.