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Finding the Fourth Proportional to 262,304.80, 394,234.80 and 228,090.40

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Solution

The fourth proportional to 262,304.80, 394,234.80 and 228,090.40 is: 342,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,304.80 : 394,234.80 = 228,090.40 : x
  2. Step 2: Convert to fraction form
    262,304.80/394,234.80 = 228,090.40/x
  3. Step 3: Cross multiply
    262,304.80x = 394,234.80 × 228,090.40
  4. Step 4: Simplify right side
    262,304.80x = 89,921,173,225.92
  5. Step 5: Solve for x
    x = 89,921,173,225.92/262,304.80
  6. Step 6: Final answer
    x = 342,811.77

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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.