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Finding the Fourth Proportional to 505,838.72, 759,132.30 and 239,600.63

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Solution

The fourth proportional to 505,838.72, 759,132.30 and 239,600.63 is: 359,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,838.72 : 759,132.30 = 239,600.63 : x
  2. Step 2: Convert to fraction form
    505,838.72/759,132.30 = 239,600.63/x
  3. Step 3: Cross multiply
    505,838.72x = 759,132.30 × 239,600.63
  4. Step 4: Simplify right side
    505,838.72x = 181,888,577,333.35
  5. Step 5: Solve for x
    x = 181,888,577,333.35/505,838.72
  6. Step 6: Final answer
    x = 359,578.20

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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.