Home / 395,270.90-545,474.02-213,982.83

Finding the Fourth Proportional to 395,270.90, 545,474.02 and 213,982.83

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Solution

The fourth proportional to 395,270.90, 545,474.02 and 213,982.83 is: 295,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,270.90 : 545,474.02 = 213,982.83 : x
  2. Step 2: Convert to fraction form
    395,270.90/545,474.02 = 213,982.83/x
  3. Step 3: Cross multiply
    395,270.90x = 545,474.02 × 213,982.83
  4. Step 4: Simplify right side
    395,270.90x = 116,722,071,763.71
  5. Step 5: Solve for x
    x = 116,722,071,763.71/395,270.90
  6. Step 6: Final answer
    x = 295,296.40

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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.