Home / 215,346.42-323,020.85-191,763.27

Finding the Fourth Proportional to 215,346.42, 323,020.85 and 191,763.27

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Solution

The fourth proportional to 215,346.42, 323,020.85 and 191,763.27 is: 287,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,346.42 : 323,020.85 = 191,763.27 : x
  2. Step 2: Convert to fraction form
    215,346.42/323,020.85 = 191,763.27/x
  3. Step 3: Cross multiply
    215,346.42x = 323,020.85 × 191,763.27
  4. Step 4: Simplify right side
    215,346.42x = 61,943,533,515.36
  5. Step 5: Solve for x
    x = 61,943,533,515.36/215,346.42
  6. Step 6: Final answer
    x = 287,645.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.