Home / 636,680.16-954,817.24-210,136.80

Finding the Fourth Proportional to 636,680.16, 954,817.24 and 210,136.80

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Solution

The fourth proportional to 636,680.16, 954,817.24 and 210,136.80 is: 315,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,680.16 : 954,817.24 = 210,136.80 : x
  2. Step 2: Convert to fraction form
    636,680.16/954,817.24 = 210,136.80/x
  3. Step 3: Cross multiply
    636,680.16x = 954,817.24 × 210,136.80
  4. Step 4: Simplify right side
    636,680.16x = 200,642,235,292.53
  5. Step 5: Solve for x
    x = 200,642,235,292.53/636,680.16
  6. Step 6: Final answer
    x = 315,138.19

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1.5x scale

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.