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Finding the Fourth Proportional to 505,881.60, 758,835.36 and 239,579.52

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Solution

The fourth proportional to 505,881.60, 758,835.36 and 239,579.52 is: 359,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,881.60 : 758,835.36 = 239,579.52 : x
  2. Step 2: Convert to fraction form
    505,881.60/758,835.36 = 239,579.52/x
  3. Step 3: Cross multiply
    505,881.60x = 758,835.36 × 239,579.52
  4. Step 4: Simplify right side
    505,881.60x = 181,801,411,307.83
  5. Step 5: Solve for x
    x = 181,801,411,307.83/505,881.60
  6. Step 6: Final answer
    x = 359,375.42

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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.