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Finding the Fourth Proportional to 547,079.60, 820,230.60 and 247,703.60

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Solution

The fourth proportional to 547,079.60, 820,230.60 and 247,703.60 is: 371,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,079.60 : 820,230.60 = 247,703.60 : x
  2. Step 2: Convert to fraction form
    547,079.60/820,230.60 = 247,703.60/x
  3. Step 3: Cross multiply
    547,079.60x = 820,230.60 × 247,703.60
  4. Step 4: Simplify right side
    547,079.60x = 203,174,072,450.16
  5. Step 5: Solve for x
    x = 203,174,072,450.16/547,079.60
  6. Step 6: Final answer
    x = 371,379.36

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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.