Home / 636,631.50-954,744.36-210,087.84

Finding the Fourth Proportional to 636,631.50, 954,744.36 and 210,087.84

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Solution

The fourth proportional to 636,631.50, 954,744.36 and 210,087.84 is: 315,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,631.50 : 954,744.36 = 210,087.84 : x
  2. Step 2: Convert to fraction form
    636,631.50/954,744.36 = 210,087.84/x
  3. Step 3: Cross multiply
    636,631.50x = 954,744.36 × 210,087.84
  4. Step 4: Simplify right side
    636,631.50x = 200,580,180,344.58
  5. Step 5: Solve for x
    x = 200,580,180,344.58/636,631.50
  6. Step 6: Final answer
    x = 315,064.81

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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.