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Finding the Fourth Proportional to 303,750.20, 455,625.30 and 302,000.60

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Solution

The fourth proportional to 303,750.20, 455,625.30 and 302,000.60 is: 453,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,750.20 : 455,625.30 = 302,000.60 : x
  2. Step 2: Convert to fraction form
    303,750.20/455,625.30 = 302,000.60/x
  3. Step 3: Cross multiply
    303,750.20x = 455,625.30 × 302,000.60
  4. Step 4: Simplify right side
    303,750.20x = 137,599,113,975.18
  5. Step 5: Solve for x
    x = 137,599,113,975.18/303,750.20
  6. Step 6: Final answer
    x = 453,000.90

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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.