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Finding the Fourth Proportional to 246,839.70, 370,259.55 and 220,595.70

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Solution

The fourth proportional to 246,839.70, 370,259.55 and 220,595.70 is: 330,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,839.70 : 370,259.55 = 220,595.70 : x
  2. Step 2: Convert to fraction form
    246,839.70/370,259.55 = 220,595.70/x
  3. Step 3: Cross multiply
    246,839.70x = 370,259.55 × 220,595.70
  4. Step 4: Simplify right side
    246,839.70x = 81,677,664,613.94
  5. Step 5: Solve for x
    x = 81,677,664,613.94/246,839.70
  6. Step 6: Final answer
    x = 330,893.55

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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.