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Finding the Fourth Proportional to 303,302.79, 454,585.23 and 214,581.87

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Solution

The fourth proportional to 303,302.79, 454,585.23 and 214,581.87 is: 321,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,302.79 : 454,585.23 = 214,581.87 : x
  2. Step 2: Convert to fraction form
    303,302.79/454,585.23 = 214,581.87/x
  3. Step 3: Cross multiply
    303,302.79x = 454,585.23 × 214,581.87
  4. Step 4: Simplify right side
    303,302.79x = 97,545,748,727.78
  5. Step 5: Solve for x
    x = 97,545,748,727.78/303,302.79
  6. Step 6: Final answer
    x = 321,611.78

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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.