Home / 545,418.26-818,216.02-161,206.10

Finding the Fourth Proportional to 545,418.26, 818,216.02 and 161,206.10

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Solution

The fourth proportional to 545,418.26, 818,216.02 and 161,206.10 is: 241,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,418.26 : 818,216.02 = 161,206.10 : x
  2. Step 2: Convert to fraction form
    545,418.26/818,216.02 = 161,206.10/x
  3. Step 3: Cross multiply
    545,418.26x = 818,216.02 × 161,206.10
  4. Step 4: Simplify right side
    545,418.26x = 131,901,413,541.72
  5. Step 5: Solve for x
    x = 131,901,413,541.72/545,418.26
  6. Step 6: Final answer
    x = 241,835.35

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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.