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Finding the Fourth Proportional to 330,033.48, 495,300.94 and 241,515.40

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Solution

The fourth proportional to 330,033.48, 495,300.94 and 241,515.40 is: 362,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,033.48 : 495,300.94 = 241,515.40 : x
  2. Step 2: Convert to fraction form
    330,033.48/495,300.94 = 241,515.40/x
  3. Step 3: Cross multiply
    330,033.48x = 495,300.94 × 241,515.40
  4. Step 4: Simplify right side
    330,033.48x = 119,622,804,644.48
  5. Step 5: Solve for x
    x = 119,622,804,644.48/330,033.48
  6. Step 6: Final answer
    x = 362,456.57

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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.