Home / 285,211.62-393,613.88-162,706.70

Finding the Fourth Proportional to 285,211.62, 393,613.88 and 162,706.70

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Solution

The fourth proportional to 285,211.62, 393,613.88 and 162,706.70 is: 224,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,211.62 : 393,613.88 = 162,706.70 : x
  2. Step 2: Convert to fraction form
    285,211.62/393,613.88 = 162,706.70/x
  3. Step 3: Cross multiply
    285,211.62x = 393,613.88 × 162,706.70
  4. Step 4: Simplify right side
    285,211.62x = 64,043,615,489.00
  5. Step 5: Solve for x
    x = 64,043,615,489.00/285,211.62
  6. Step 6: Final answer
    x = 224,547.71

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1.5x scale

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.