Home / 246,501.20-369,751.80-80,289.20

Finding the Fourth Proportional to 246,501.20, 369,751.80 and 80,289.20

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Solution

The fourth proportional to 246,501.20, 369,751.80 and 80,289.20 is: 120,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,501.20 : 369,751.80 = 80,289.20 : x
  2. Step 2: Convert to fraction form
    246,501.20/369,751.80 = 80,289.20/x
  3. Step 3: Cross multiply
    246,501.20x = 369,751.80 × 80,289.20
  4. Step 4: Simplify right side
    246,501.20x = 29,687,076,220.56
  5. Step 5: Solve for x
    x = 29,687,076,220.56/246,501.20
  6. Step 6: Final answer
    x = 120,433.80

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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.