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Finding the Fourth Proportional to 215,270.68, 297,071.40 and 119,775.73

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Solution

The fourth proportional to 215,270.68, 297,071.40 and 119,775.73 is: 165,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,270.68 : 297,071.40 = 119,775.73 : x
  2. Step 2: Convert to fraction form
    215,270.68/297,071.40 = 119,775.73/x
  3. Step 3: Cross multiply
    215,270.68x = 297,071.40 × 119,775.73
  4. Step 4: Simplify right side
    215,270.68x = 35,581,943,797.12
  5. Step 5: Solve for x
    x = 35,581,943,797.12/215,270.68
  6. Step 6: Final answer
    x = 165,289.32

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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.