Home / 406,977.89-610,383.71-154,171.22

Finding the Fourth Proportional to 406,977.89, 610,383.71 and 154,171.22

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Solution

The fourth proportional to 406,977.89, 610,383.71 and 154,171.22 is: 231,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,977.89 : 610,383.71 = 154,171.22 : x
  2. Step 2: Convert to fraction form
    406,977.89/610,383.71 = 154,171.22/x
  3. Step 3: Cross multiply
    406,977.89x = 610,383.71 × 154,171.22
  4. Step 4: Simplify right side
    406,977.89x = 94,103,603,150.21
  5. Step 5: Solve for x
    x = 94,103,603,150.21/406,977.89
  6. Step 6: Final answer
    x = 231,225.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.