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Finding the Fourth Proportional to 303,230.79, 454,477.23 and 214,509.87

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Solution

The fourth proportional to 303,230.79, 454,477.23 and 214,509.87 is: 321,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,230.79 : 454,477.23 = 214,509.87 : x
  2. Step 2: Convert to fraction form
    303,230.79/454,477.23 = 214,509.87/x
  3. Step 3: Cross multiply
    303,230.79x = 454,477.23 × 214,509.87
  4. Step 4: Simplify right side
    303,230.79x = 97,489,851,525.26
  5. Step 5: Solve for x
    x = 97,489,851,525.26/303,230.79
  6. Step 6: Final answer
    x = 321,503.80

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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.