Home / 216,935.08-299,216.10-199,087.72

Finding the Fourth Proportional to 216,935.08, 299,216.10 and 199,087.72

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Solution

The fourth proportional to 216,935.08, 299,216.10 and 199,087.72 is: 274,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,935.08 : 299,216.10 = 199,087.72 : x
  2. Step 2: Convert to fraction form
    216,935.08/299,216.10 = 199,087.72/x
  3. Step 3: Cross multiply
    216,935.08x = 299,216.10 × 199,087.72
  4. Step 4: Simplify right side
    216,935.08x = 59,570,251,136.29
  5. Step 5: Solve for x
    x = 59,570,251,136.29/216,935.08
  6. Step 6: Final answer
    x = 274,599.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.