Home / 421,262.55-581,200.45-239,846.18

Finding the Fourth Proportional to 421,262.55, 581,200.45 and 239,846.18

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Solution

The fourth proportional to 421,262.55, 581,200.45 and 239,846.18 is: 330,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,262.55 : 581,200.45 = 239,846.18 : x
  2. Step 2: Convert to fraction form
    421,262.55/581,200.45 = 239,846.18/x
  3. Step 3: Cross multiply
    421,262.55x = 581,200.45 × 239,846.18
  4. Step 4: Simplify right side
    421,262.55x = 139,398,704,241.16
  5. Step 5: Solve for x
    x = 139,398,704,241.16/421,262.55
  6. Step 6: Final answer
    x = 330,906.95

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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.