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Finding the Fourth Proportional to 215,803.56, 322,107.33 and 202,506.60

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Solution

The fourth proportional to 215,803.56, 322,107.33 and 202,506.60 is: 302,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,803.56 : 322,107.33 = 202,506.60 : x
  2. Step 2: Convert to fraction form
    215,803.56/322,107.33 = 202,506.60/x
  3. Step 3: Cross multiply
    215,803.56x = 322,107.33 × 202,506.60
  4. Step 4: Simplify right side
    215,803.56x = 65,228,860,233.38
  5. Step 5: Solve for x
    x = 65,228,860,233.38/215,803.56
  6. Step 6: Final answer
    x = 302,260.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.