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Finding the Fourth Proportional to 338,762.88, 467,501.34 and 191,575.95

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Solution

The fourth proportional to 338,762.88, 467,501.34 and 191,575.95 is: 264,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,762.88 : 467,501.34 = 191,575.95 : x
  2. Step 2: Convert to fraction form
    338,762.88/467,501.34 = 191,575.95/x
  3. Step 3: Cross multiply
    338,762.88x = 467,501.34 × 191,575.95
  4. Step 4: Simplify right side
    338,762.88x = 89,562,013,336.77
  5. Step 5: Solve for x
    x = 89,562,013,336.77/338,762.88
  6. Step 6: Final answer
    x = 264,379.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.