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Finding the Fourth Proportional to 636,361.57, 954,292.20 and 231,457.65

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Solution

The fourth proportional to 636,361.57, 954,292.20 and 231,457.65 is: 347,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,361.57 : 954,292.20 = 231,457.65 : x
  2. Step 2: Convert to fraction form
    636,361.57/954,292.20 = 231,457.65/x
  3. Step 3: Cross multiply
    636,361.57x = 954,292.20 × 231,457.65
  4. Step 4: Simplify right side
    636,361.57x = 220,878,232,248.61
  5. Step 5: Solve for x
    x = 220,878,232,248.61/636,361.57
  6. Step 6: Final answer
    x = 347,095.49

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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.