Home / 406,850.04-561,511.17-225,602.28

Finding the Fourth Proportional to 406,850.04, 561,511.17 and 225,602.28

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Solution

The fourth proportional to 406,850.04, 561,511.17 and 225,602.28 is: 311,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,850.04 : 561,511.17 = 225,602.28 : x
  2. Step 2: Convert to fraction form
    406,850.04/561,511.17 = 225,602.28/x
  3. Step 3: Cross multiply
    406,850.04x = 561,511.17 × 225,602.28
  4. Step 4: Simplify right side
    406,850.04x = 126,678,200,197.47
  5. Step 5: Solve for x
    x = 126,678,200,197.47/406,850.04
  6. Step 6: Final answer
    x = 311,363.37

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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.