Home / 395,384.90-545,631.45-214,098.26

Finding the Fourth Proportional to 395,384.90, 545,631.45 and 214,098.26

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Solution

The fourth proportional to 395,384.90, 545,631.45 and 214,098.26 is: 295,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,384.90 : 545,631.45 = 214,098.26 : x
  2. Step 2: Convert to fraction form
    395,384.90/545,631.45 = 214,098.26/x
  3. Step 3: Cross multiply
    395,384.90x = 545,631.45 × 214,098.26
  4. Step 4: Simplify right side
    395,384.90x = 116,818,744,046.28
  5. Step 5: Solve for x
    x = 116,818,744,046.28/395,384.90
  6. Step 6: Final answer
    x = 295,455.75

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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.