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Finding the Fourth Proportional to 547,300.20, 820,950.30 and 148,002.60

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Solution

The fourth proportional to 547,300.20, 820,950.30 and 148,002.60 is: 222,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,300.20 : 820,950.30 = 148,002.60 : x
  2. Step 2: Convert to fraction form
    547,300.20/820,950.30 = 148,002.60/x
  3. Step 3: Cross multiply
    547,300.20x = 820,950.30 × 148,002.60
  4. Step 4: Simplify right side
    547,300.20x = 121,502,778,870.78
  5. Step 5: Solve for x
    x = 121,502,778,870.78/547,300.20
  6. Step 6: Final answer
    x = 222,003.90

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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.