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Finding the Fourth Proportional to 246,415.20, 369,622.80 and 236,738.40

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Solution

The fourth proportional to 246,415.20, 369,622.80 and 236,738.40 is: 355,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,415.20 : 369,622.80 = 236,738.40 : x
  2. Step 2: Convert to fraction form
    246,415.20/369,622.80 = 236,738.40/x
  3. Step 3: Cross multiply
    246,415.20x = 369,622.80 × 236,738.40
  4. Step 4: Simplify right side
    246,415.20x = 87,503,910,275.52
  5. Step 5: Solve for x
    x = 87,503,910,275.52/246,415.20
  6. Step 6: Final answer
    x = 355,107.60

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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.