Home / 331,531.23-497,300.30-265,391.79

Finding the Fourth Proportional to 331,531.23, 497,300.30 and 265,391.79

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Solution

The fourth proportional to 331,531.23, 497,300.30 and 265,391.79 is: 398,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,531.23 : 497,300.30 = 265,391.79 : x
  2. Step 2: Convert to fraction form
    331,531.23/497,300.30 = 265,391.79/x
  3. Step 3: Cross multiply
    331,531.23x = 497,300.30 × 265,391.79
  4. Step 4: Simplify right side
    331,531.23x = 131,979,416,784.54
  5. Step 5: Solve for x
    x = 131,979,416,784.54/331,531.23
  6. Step 6: Final answer
    x = 398,090.45

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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.