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Finding the Fourth Proportional to 550,015.76, 825,258.91 and 230,242.35

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Solution

The fourth proportional to 550,015.76, 825,258.91 and 230,242.35 is: 345,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,015.76 : 825,258.91 = 230,242.35 : x
  2. Step 2: Convert to fraction form
    550,015.76/825,258.91 = 230,242.35/x
  3. Step 3: Cross multiply
    550,015.76x = 825,258.91 × 230,242.35
  4. Step 4: Simplify right side
    550,015.76x = 190,009,550,796.84
  5. Step 5: Solve for x
    x = 190,009,550,796.84/550,015.76
  6. Step 6: Final answer
    x = 345,462.01

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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.