Home / 502,724.90-753,662.25-218,201.60

Finding the Fourth Proportional to 502,724.90, 753,662.25 and 218,201.60

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Solution

The fourth proportional to 502,724.90, 753,662.25 and 218,201.60 is: 327,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,724.90 : 753,662.25 = 218,201.60 : x
  2. Step 2: Convert to fraction form
    502,724.90/753,662.25 = 218,201.60/x
  3. Step 3: Cross multiply
    502,724.90x = 753,662.25 × 218,201.60
  4. Step 4: Simplify right side
    502,724.90x = 164,450,308,809.60
  5. Step 5: Solve for x
    x = 164,450,308,809.60/502,724.90
  6. Step 6: Final answer
    x = 327,117.89

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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.