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Finding the Fourth Proportional to 217,223.80, 325,835.70 and 201,477.40

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Solution

The fourth proportional to 217,223.80, 325,835.70 and 201,477.40 is: 302,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,223.80 : 325,835.70 = 201,477.40 : x
  2. Step 2: Convert to fraction form
    217,223.80/325,835.70 = 201,477.40/x
  3. Step 3: Cross multiply
    217,223.80x = 325,835.70 × 201,477.40
  4. Step 4: Simplify right side
    217,223.80x = 65,648,529,663.18
  5. Step 5: Solve for x
    x = 65,648,529,663.18/217,223.80
  6. Step 6: Final answer
    x = 302,216.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.