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Finding the Fourth Proportional to 437,328.60, 603,562.49 and 243,753.98

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Solution

The fourth proportional to 437,328.60, 603,562.49 and 243,753.98 is: 336,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,328.60 : 603,562.49 = 243,753.98 : x
  2. Step 2: Convert to fraction form
    437,328.60/603,562.49 = 243,753.98/x
  3. Step 3: Cross multiply
    437,328.60x = 603,562.49 × 243,753.98
  4. Step 4: Simplify right side
    437,328.60x = 147,120,754,879.63
  5. Step 5: Solve for x
    x = 147,120,754,879.63/437,328.60
  6. Step 6: Final answer
    x = 336,407.81

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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.