Home / 406,622.37-561,140.19-225,337.29

Finding the Fourth Proportional to 406,622.37, 561,140.19 and 225,337.29

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Solution

The fourth proportional to 406,622.37, 561,140.19 and 225,337.29 is: 310,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,622.37 : 561,140.19 = 225,337.29 : x
  2. Step 2: Convert to fraction form
    406,622.37/561,140.19 = 225,337.29/x
  3. Step 3: Cross multiply
    406,622.37x = 561,140.19 × 225,337.29
  4. Step 4: Simplify right side
    406,622.37x = 126,445,809,724.69
  5. Step 5: Solve for x
    x = 126,445,809,724.69/406,622.37
  6. Step 6: Final answer
    x = 310,966.19

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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.