Home / 331,828.80-497,743.20-197,109.60

Finding the Fourth Proportional to 331,828.80, 497,743.20 and 197,109.60

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Solution

The fourth proportional to 331,828.80, 497,743.20 and 197,109.60 is: 295,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,828.80 : 497,743.20 = 197,109.60 : x
  2. Step 2: Convert to fraction form
    331,828.80/497,743.20 = 197,109.60/x
  3. Step 3: Cross multiply
    331,828.80x = 497,743.20 × 197,109.60
  4. Step 4: Simplify right side
    331,828.80x = 98,109,963,054.72
  5. Step 5: Solve for x
    x = 98,109,963,054.72/331,828.80
  6. Step 6: Final answer
    x = 295,664.40

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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.