Home / 406,856.48-561,495.04-225,625.20

Finding the Fourth Proportional to 406,856.48, 561,495.04 and 225,625.20

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Solution

The fourth proportional to 406,856.48, 561,495.04 and 225,625.20 is: 311,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,856.48 : 561,495.04 = 225,625.20 : x
  2. Step 2: Convert to fraction form
    406,856.48/561,495.04 = 225,625.20/x
  3. Step 3: Cross multiply
    406,856.48x = 561,495.04 × 225,625.20
  4. Step 4: Simplify right side
    406,856.48x = 126,687,430,699.01
  5. Step 5: Solve for x
    x = 126,687,430,699.01/406,856.48
  6. Step 6: Final answer
    x = 311,381.13

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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.