Home / 406,985.04-561,673.02-225,755.52

Finding the Fourth Proportional to 406,985.04, 561,673.02 and 225,755.52

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Solution

The fourth proportional to 406,985.04, 561,673.02 and 225,755.52 is: 311,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,985.04 : 561,673.02 = 225,755.52 : x
  2. Step 2: Convert to fraction form
    406,985.04/561,673.02 = 225,755.52/x
  3. Step 3: Cross multiply
    406,985.04x = 561,673.02 × 225,755.52
  4. Step 4: Simplify right side
    406,985.04x = 126,800,785,329.92
  5. Step 5: Solve for x
    x = 126,800,785,329.92/406,985.04
  6. Step 6: Final answer
    x = 311,561.29

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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.