Home / 545,971.93-818,960.00-166,891.21

Finding the Fourth Proportional to 545,971.93, 818,960.00 and 166,891.21

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Solution

The fourth proportional to 545,971.93, 818,960.00 and 166,891.21 is: 250,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,971.93 : 818,960.00 = 166,891.21 : x
  2. Step 2: Convert to fraction form
    545,971.93/818,960.00 = 166,891.21/x
  3. Step 3: Cross multiply
    545,971.93x = 818,960.00 × 166,891.21
  4. Step 4: Simplify right side
    545,971.93x = 136,677,222,459.74
  5. Step 5: Solve for x
    x = 136,677,222,459.74/545,971.93
  6. Step 6: Final answer
    x = 250,337.45

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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.