Home / 501,485.18-752,342.50-217,223.05

Finding the Fourth Proportional to 501,485.18, 752,342.50 and 217,223.05

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Solution

The fourth proportional to 501,485.18, 752,342.50 and 217,223.05 is: 325,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,485.18 : 752,342.50 = 217,223.05 : x
  2. Step 2: Convert to fraction form
    501,485.18/752,342.50 = 217,223.05/x
  3. Step 3: Cross multiply
    501,485.18x = 752,342.50 × 217,223.05
  4. Step 4: Simplify right side
    501,485.18x = 163,426,132,906.88
  5. Step 5: Solve for x
    x = 163,426,132,906.88/501,485.18
  6. Step 6: Final answer
    x = 325,884.28

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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.