Home / 407,489.14-562,306.88-226,186.80

Finding the Fourth Proportional to 407,489.14, 562,306.88 and 226,186.80

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Solution

The fourth proportional to 407,489.14, 562,306.88 and 226,186.80 is: 312,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,489.14 : 562,306.88 = 226,186.80 : x
  2. Step 2: Convert to fraction form
    407,489.14/562,306.88 = 226,186.80/x
  3. Step 3: Cross multiply
    407,489.14x = 562,306.88 × 226,186.80
  4. Step 4: Simplify right side
    407,489.14x = 127,186,390,993.65
  5. Step 5: Solve for x
    x = 127,186,390,993.65/407,489.14
  6. Step 6: Final answer
    x = 312,122.16

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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.