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Finding the Fourth Proportional to 214,596.70, 296,074.95 and 123,940.69

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Solution

The fourth proportional to 214,596.70, 296,074.95 and 123,940.69 is: 170,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,596.70 : 296,074.95 = 123,940.69 : x
  2. Step 2: Convert to fraction form
    214,596.70/296,074.95 = 123,940.69/x
  3. Step 3: Cross multiply
    214,596.70x = 296,074.95 × 123,940.69
  4. Step 4: Simplify right side
    214,596.70x = 36,695,732,389.75
  5. Step 5: Solve for x
    x = 36,695,732,389.75/214,596.70
  6. Step 6: Final answer
    x = 170,998.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.