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Finding the Fourth Proportional to 215,464.56, 297,335.88 and 119,969.28

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Solution

The fourth proportional to 215,464.56, 297,335.88 and 119,969.28 is: 165,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,464.56 : 297,335.88 = 119,969.28 : x
  2. Step 2: Convert to fraction form
    215,464.56/297,335.88 = 119,969.28/x
  3. Step 3: Cross multiply
    215,464.56x = 297,335.88 × 119,969.28
  4. Step 4: Simplify right side
    215,464.56x = 35,671,171,441.77
  5. Step 5: Solve for x
    x = 35,671,171,441.77/215,464.56
  6. Step 6: Final answer
    x = 165,554.70

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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.