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Finding the Fourth Proportional to 302,520.40, 453,780.60 and 298,583.80

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Solution

The fourth proportional to 302,520.40, 453,780.60 and 298,583.80 is: 447,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,520.40 : 453,780.60 = 298,583.80 : x
  2. Step 2: Convert to fraction form
    302,520.40/453,780.60 = 298,583.80/x
  3. Step 3: Cross multiply
    302,520.40x = 453,780.60 × 298,583.80
  4. Step 4: Simplify right side
    302,520.40x = 135,491,535,914.28
  5. Step 5: Solve for x
    x = 135,491,535,914.28/302,520.40
  6. Step 6: Final answer
    x = 447,875.70

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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.