Home / 219,612.24-329,238.36-140,706

Finding the Fourth Proportional to 219,612.24, 329,238.36 and 140,706

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Solution

The fourth proportional to 219,612.24, 329,238.36 and 140,706 is: 210,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,612.24 : 329,238.36 = 140,706 : x
  2. Step 2: Convert to fraction form
    219,612.24/329,238.36 = 140,706/x
  3. Step 3: Cross multiply
    219,612.24x = 329,238.36 × 140,706
  4. Step 4: Simplify right side
    219,612.24x = 46,325,812,682.16
  5. Step 5: Solve for x
    x = 46,325,812,682.16/219,612.24
  6. Step 6: Final answer
    x = 210,943.67

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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.