Home / 456,465.70-685,117.05-231,982.30

Finding the Fourth Proportional to 456,465.70, 685,117.05 and 231,982.30

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Solution

The fourth proportional to 456,465.70, 685,117.05 and 231,982.30 is: 348,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,465.70 : 685,117.05 = 231,982.30 : x
  2. Step 2: Convert to fraction form
    456,465.70/685,117.05 = 231,982.30/x
  3. Step 3: Cross multiply
    456,465.70x = 685,117.05 × 231,982.30
  4. Step 4: Simplify right side
    456,465.70x = 158,935,029,028.22
  5. Step 5: Solve for x
    x = 158,935,029,028.22/456,465.70
  6. Step 6: Final answer
    x = 348,186.14

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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.