Home / 215,313.48-297,185.36-166,819.50

Finding the Fourth Proportional to 215,313.48, 297,185.36 and 166,819.50

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Solution

The fourth proportional to 215,313.48, 297,185.36 and 166,819.50 is: 230,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,313.48 : 297,185.36 = 166,819.50 : x
  2. Step 2: Convert to fraction form
    215,313.48/297,185.36 = 166,819.50/x
  3. Step 3: Cross multiply
    215,313.48x = 297,185.36 × 166,819.50
  4. Step 4: Simplify right side
    215,313.48x = 49,576,312,328.42
  5. Step 5: Solve for x
    x = 49,576,312,328.42/215,313.48
  6. Step 6: Final answer
    x = 230,251.78

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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.