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Finding the Fourth Proportional to 215,323.68, 297,144.51 and 119,828.76

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Solution

The fourth proportional to 215,323.68, 297,144.51 and 119,828.76 is: 165,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,323.68 : 297,144.51 = 119,828.76 : x
  2. Step 2: Convert to fraction form
    215,323.68/297,144.51 = 119,828.76/x
  3. Step 3: Cross multiply
    215,323.68x = 297,144.51 × 119,828.76
  4. Step 4: Simplify right side
    215,323.68x = 35,606,458,174.11
  5. Step 5: Solve for x
    x = 35,606,458,174.11/215,323.68
  6. Step 6: Final answer
    x = 165,362.48

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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.