Home / 406,601.13-561,112.85-225,316.08

Finding the Fourth Proportional to 406,601.13, 561,112.85 and 225,316.08

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Solution

The fourth proportional to 406,601.13, 561,112.85 and 225,316.08 is: 310,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,601.13 : 561,112.85 = 225,316.08 : x
  2. Step 2: Convert to fraction form
    406,601.13/561,112.85 = 225,316.08/x
  3. Step 3: Cross multiply
    406,601.13x = 561,112.85 × 225,316.08
  4. Step 4: Simplify right side
    406,601.13x = 126,427,747,799.63
  5. Step 5: Solve for x
    x = 126,427,747,799.63/406,601.13
  6. Step 6: Final answer
    x = 310,938.02

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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.