Home / 338,938.40-467,559.60-230,005.28

Finding the Fourth Proportional to 338,938.40, 467,559.60 and 230,005.28

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Solution

The fourth proportional to 338,938.40, 467,559.60 and 230,005.28 is: 317,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,938.40 : 467,559.60 = 230,005.28 : x
  2. Step 2: Convert to fraction form
    338,938.40/467,559.60 = 230,005.28/x
  3. Step 3: Cross multiply
    338,938.40x = 467,559.60 × 230,005.28
  4. Step 4: Simplify right side
    338,938.40x = 107,541,176,714.69
  5. Step 5: Solve for x
    x = 107,541,176,714.69/338,938.40
  6. Step 6: Final answer
    x = 317,288.26

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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.