Home / 406,601.27-561,113.06-225,316.23

Finding the Fourth Proportional to 406,601.27, 561,113.06 and 225,316.23

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Solution

The fourth proportional to 406,601.27, 561,113.06 and 225,316.23 is: 310,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,601.27 : 561,113.06 = 225,316.23 : x
  2. Step 2: Convert to fraction form
    406,601.27/561,113.06 = 225,316.23/x
  3. Step 3: Cross multiply
    406,601.27x = 561,113.06 × 225,316.23
  4. Step 4: Simplify right side
    406,601.27x = 126,427,879,282.96
  5. Step 5: Solve for x
    x = 126,427,879,282.96/406,601.27
  6. Step 6: Final answer
    x = 310,938.23

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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.