Home / 406,733.80-561,291.68-222,972.05

Finding the Fourth Proportional to 406,733.80, 561,291.68 and 222,972.05

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Solution

The fourth proportional to 406,733.80, 561,291.68 and 222,972.05 is: 307,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,733.80 : 561,291.68 = 222,972.05 : x
  2. Step 2: Convert to fraction form
    406,733.80/561,291.68 = 222,972.05/x
  3. Step 3: Cross multiply
    406,733.80x = 561,291.68 × 222,972.05
  4. Step 4: Simplify right side
    406,733.80x = 125,152,354,504.79
  5. Step 5: Solve for x
    x = 125,152,354,504.79/406,733.80
  6. Step 6: Final answer
    x = 307,700.89

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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.