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Finding the Fourth Proportional to 406,460.01, 560,914.74 and 225,183.72

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Solution

The fourth proportional to 406,460.01, 560,914.74 and 225,183.72 is: 310,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,460.01 : 560,914.74 = 225,183.72 : x
  2. Step 2: Convert to fraction form
    406,460.01/560,914.74 = 225,183.72/x
  3. Step 3: Cross multiply
    406,460.01x = 560,914.74 × 225,183.72
  4. Step 4: Simplify right side
    406,460.01x = 126,308,867,756.03
  5. Step 5: Solve for x
    x = 126,308,867,756.03/406,460.01
  6. Step 6: Final answer
    x = 310,753.49

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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.