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Finding the Fourth Proportional to 239,420.00, 330,162.89 and 203,220.29

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Solution

The fourth proportional to 239,420.00, 330,162.89 and 203,220.29 is: 280,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,420.00 : 330,162.89 = 203,220.29 : x
  2. Step 2: Convert to fraction form
    239,420.00/330,162.89 = 203,220.29/x
  3. Step 3: Cross multiply
    239,420.00x = 330,162.89 × 203,220.29
  4. Step 4: Simplify right side
    239,420.00x = 67,095,798,062.34
  5. Step 5: Solve for x
    x = 67,095,798,062.34/239,420.00
  6. Step 6: Final answer
    x = 280,243.08

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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.