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Finding the Fourth Proportional to 493,009.49, 739,625.02 and 156,070.35

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Solution

The fourth proportional to 493,009.49, 739,625.02 and 156,070.35 is: 234,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,009.49 : 739,625.02 = 156,070.35 : x
  2. Step 2: Convert to fraction form
    493,009.49/739,625.02 = 156,070.35/x
  3. Step 3: Cross multiply
    493,009.49x = 739,625.02 × 156,070.35
  4. Step 4: Simplify right side
    493,009.49x = 115,433,535,349.98
  5. Step 5: Solve for x
    x = 115,433,535,349.98/493,009.49
  6. Step 6: Final answer
    x = 234,140.59

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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.