Home / 395,971.23-546,297.11-260,078.85

Finding the Fourth Proportional to 395,971.23, 546,297.11 and 260,078.85

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Solution

The fourth proportional to 395,971.23, 546,297.11 and 260,078.85 is: 358,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,971.23 : 546,297.11 = 260,078.85 : x
  2. Step 2: Convert to fraction form
    395,971.23/546,297.11 = 260,078.85/x
  3. Step 3: Cross multiply
    395,971.23x = 546,297.11 × 260,078.85
  4. Step 4: Simplify right side
    395,971.23x = 142,080,323,802.03
  5. Step 5: Solve for x
    x = 142,080,323,802.03/395,971.23
  6. Step 6: Final answer
    x = 358,814.76

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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.