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Finding the Fourth Proportional to 202,619.86, 303,658.10 and 157,695.45

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Solution

The fourth proportional to 202,619.86, 303,658.10 and 157,695.45 is: 236,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,619.86 : 303,658.10 = 157,695.45 : x
  2. Step 2: Convert to fraction form
    202,619.86/303,658.10 = 157,695.45/x
  3. Step 3: Cross multiply
    202,619.86x = 303,658.10 × 157,695.45
  4. Step 4: Simplify right side
    202,619.86x = 47,885,499,937.17
  5. Step 5: Solve for x
    x = 47,885,499,937.17/202,619.86
  6. Step 6: Final answer
    x = 236,331.73

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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.