Home / 215,624.36-297,359.79-170,410.36

Finding the Fourth Proportional to 215,624.36, 297,359.79 and 170,410.36

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Solution

The fourth proportional to 215,624.36, 297,359.79 and 170,410.36 is: 235,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,624.36 : 297,359.79 = 170,410.36 : x
  2. Step 2: Convert to fraction form
    215,624.36/297,359.79 = 170,410.36/x
  3. Step 3: Cross multiply
    215,624.36x = 297,359.79 × 170,410.36
  4. Step 4: Simplify right side
    215,624.36x = 50,673,190,312.70
  5. Step 5: Solve for x
    x = 50,673,190,312.70/215,624.36
  6. Step 6: Final answer
    x = 235,006.79

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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.