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Finding the Fourth Proportional to 306,021.60, 459,032.40 and 235,162.80

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Solution

The fourth proportional to 306,021.60, 459,032.40 and 235,162.80 is: 352,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,021.60 : 459,032.40 = 235,162.80 : x
  2. Step 2: Convert to fraction form
    306,021.60/459,032.40 = 235,162.80/x
  3. Step 3: Cross multiply
    306,021.60x = 459,032.40 × 235,162.80
  4. Step 4: Simplify right side
    306,021.60x = 107,947,344,474.72
  5. Step 5: Solve for x
    x = 107,947,344,474.72/306,021.60
  6. Step 6: Final answer
    x = 352,744.20

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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.