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Finding the Fourth Proportional to 550,448.51, 825,665.45 and 151,089.35

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Solution

The fourth proportional to 550,448.51, 825,665.45 and 151,089.35 is: 226,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,448.51 : 825,665.45 = 151,089.35 : x
  2. Step 2: Convert to fraction form
    550,448.51/825,665.45 = 151,089.35/x
  3. Step 3: Cross multiply
    550,448.51x = 825,665.45 × 151,089.35
  4. Step 4: Simplify right side
    550,448.51x = 124,749,251,274.18
  5. Step 5: Solve for x
    x = 124,749,251,274.18/550,448.51
  6. Step 6: Final answer
    x = 226,632.01

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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.