Home / 310,789.73-428,927.78-174,829.41

Finding the Fourth Proportional to 310,789.73, 428,927.78 and 174,829.41

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Solution

The fourth proportional to 310,789.73, 428,927.78 and 174,829.41 is: 241,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,789.73 : 428,927.78 = 174,829.41 : x
  2. Step 2: Convert to fraction form
    310,789.73/428,927.78 = 174,829.41/x
  3. Step 3: Cross multiply
    310,789.73x = 428,927.78 × 174,829.41
  4. Step 4: Simplify right side
    310,789.73x = 74,989,191,147.08
  5. Step 5: Solve for x
    x = 74,989,191,147.08/310,789.73
  6. Step 6: Final answer
    x = 241,285.93

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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.