Home / 545,945.26-818,888.10-166,865.87

Finding the Fourth Proportional to 545,945.26, 818,888.10 and 166,865.87

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Solution

The fourth proportional to 545,945.26, 818,888.10 and 166,865.87 is: 250,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,945.26 : 818,888.10 = 166,865.87 : x
  2. Step 2: Convert to fraction form
    545,945.26/818,888.10 = 166,865.87/x
  3. Step 3: Cross multiply
    545,945.26x = 818,888.10 × 166,865.87
  4. Step 4: Simplify right side
    545,945.26x = 136,644,470,518.96
  5. Step 5: Solve for x
    x = 136,644,470,518.96/545,945.26
  6. Step 6: Final answer
    x = 250,289.69

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1.5x scale

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.