Home / 231,852.48-319,410.19-217,902.15

Finding the Fourth Proportional to 231,852.48, 319,410.19 and 217,902.15

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Solution

The fourth proportional to 231,852.48, 319,410.19 and 217,902.15 is: 300,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,852.48 : 319,410.19 = 217,902.15 : x
  2. Step 2: Convert to fraction form
    231,852.48/319,410.19 = 217,902.15/x
  3. Step 3: Cross multiply
    231,852.48x = 319,410.19 × 217,902.15
  4. Step 4: Simplify right side
    231,852.48x = 69,600,166,043.40
  5. Step 5: Solve for x
    x = 69,600,166,043.40/231,852.48
  6. Step 6: Final answer
    x = 300,191.60

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1.5x scale

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.