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Finding the Fourth Proportional to 335,360.86, 503,045.34 and 133,006.66

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Solution

The fourth proportional to 335,360.86, 503,045.34 and 133,006.66 is: 199,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,360.86 : 503,045.34 = 133,006.66 : x
  2. Step 2: Convert to fraction form
    335,360.86/503,045.34 = 133,006.66/x
  3. Step 3: Cross multiply
    335,360.86x = 503,045.34 × 133,006.66
  4. Step 4: Simplify right side
    335,360.86x = 66,908,380,501.96
  5. Step 5: Solve for x
    x = 66,908,380,501.96/335,360.86
  6. Step 6: Final answer
    x = 199,511.60

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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.