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Finding the Fourth Proportional to 330,083.64, 494,483.02 and 243,371.59

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Solution

The fourth proportional to 330,083.64, 494,483.02 and 243,371.59 is: 364,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,083.64 : 494,483.02 = 243,371.59 : x
  2. Step 2: Convert to fraction form
    330,083.64/494,483.02 = 243,371.59/x
  3. Step 3: Cross multiply
    330,083.64x = 494,483.02 × 243,371.59
  4. Step 4: Simplify right side
    330,083.64x = 120,343,116,960.77
  5. Step 5: Solve for x
    x = 120,343,116,960.77/330,083.64
  6. Step 6: Final answer
    x = 364,583.71

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1.5x scale

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.