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Finding the Fourth Proportional to 366,962.30, 550,443.45 and 330,220.70

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Solution

The fourth proportional to 366,962.30, 550,443.45 and 330,220.70 is: 495,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,962.30 : 550,443.45 = 330,220.70 : x
  2. Step 2: Convert to fraction form
    366,962.30/550,443.45 = 330,220.70/x
  3. Step 3: Cross multiply
    366,962.30x = 550,443.45 × 330,220.70
  4. Step 4: Simplify right side
    366,962.30x = 181,767,821,369.42
  5. Step 5: Solve for x
    x = 181,767,821,369.42/366,962.30
  6. Step 6: Final answer
    x = 495,331.05

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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.