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Finding the Fourth Proportional to 216,857.34, 325,480.41 and 181,539.72

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Solution

The fourth proportional to 216,857.34, 325,480.41 and 181,539.72 is: 272,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,857.34 : 325,480.41 = 181,539.72 : x
  2. Step 2: Convert to fraction form
    216,857.34/325,480.41 = 181,539.72/x
  3. Step 3: Cross multiply
    216,857.34x = 325,480.41 × 181,539.72
  4. Step 4: Simplify right side
    216,857.34x = 59,087,622,496.89
  5. Step 5: Solve for x
    x = 59,087,622,496.89/216,857.34
  6. Step 6: Final answer
    x = 272,472.32

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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.