Home / 268,065.18-400,091.94-263,636.64

Finding the Fourth Proportional to 268,065.18, 400,091.94 and 263,636.64

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Solution

The fourth proportional to 268,065.18, 400,091.94 and 263,636.64 is: 393,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,065.18 : 400,091.94 = 263,636.64 : x
  2. Step 2: Convert to fraction form
    268,065.18/400,091.94 = 263,636.64/x
  3. Step 3: Cross multiply
    268,065.18x = 400,091.94 × 263,636.64
  4. Step 4: Simplify right side
    268,065.18x = 105,478,894,752.68
  5. Step 5: Solve for x
    x = 105,478,894,752.68/268,065.18
  6. Step 6: Final answer
    x = 393,482.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.