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Finding the Fourth Proportional to 659,172.06, 988,852.14 and 203,802.48

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Solution

The fourth proportional to 659,172.06, 988,852.14 and 203,802.48 is: 305,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,172.06 : 988,852.14 = 203,802.48 : x
  2. Step 2: Convert to fraction form
    659,172.06/988,852.14 = 203,802.48/x
  3. Step 3: Cross multiply
    659,172.06x = 988,852.14 × 203,802.48
  4. Step 4: Simplify right side
    659,172.06x = 201,530,518,485.31
  5. Step 5: Solve for x
    x = 201,530,518,485.31/659,172.06
  6. Step 6: Final answer
    x = 305,732.80

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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.