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Finding the Fourth Proportional to 493,752.63, 740,553.26 and 156,749.60

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Solution

The fourth proportional to 493,752.63, 740,553.26 and 156,749.60 is: 235,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,752.63 : 740,553.26 = 156,749.60 : x
  2. Step 2: Convert to fraction form
    493,752.63/740,553.26 = 156,749.60/x
  3. Step 3: Cross multiply
    493,752.63x = 740,553.26 × 156,749.60
  4. Step 4: Simplify right side
    493,752.63x = 116,081,422,797.18
  5. Step 5: Solve for x
    x = 116,081,422,797.18/493,752.63
  6. Step 6: Final answer
    x = 235,100.36

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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.