Home / 545,971.37-818,959.15-166,890.65

Finding the Fourth Proportional to 545,971.37, 818,959.15 and 166,890.65

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Solution

The fourth proportional to 545,971.37, 818,959.15 and 166,890.65 is: 250,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,971.37 : 818,959.15 = 166,890.65 : x
  2. Step 2: Convert to fraction form
    545,971.37/818,959.15 = 166,890.65/x
  3. Step 3: Cross multiply
    545,971.37x = 818,959.15 × 166,890.65
  4. Step 4: Simplify right side
    545,971.37x = 136,676,620,980.77
  5. Step 5: Solve for x
    x = 136,676,620,980.77/545,971.37
  6. Step 6: Final answer
    x = 250,336.61

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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.