Home / 219,811.20-329,457.60-164,342.40

Finding the Fourth Proportional to 219,811.20, 329,457.60 and 164,342.40

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Solution

The fourth proportional to 219,811.20, 329,457.60 and 164,342.40 is: 246,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,811.20 : 329,457.60 = 164,342.40 : x
  2. Step 2: Convert to fraction form
    219,811.20/329,457.60 = 164,342.40/x
  3. Step 3: Cross multiply
    219,811.20x = 329,457.60 × 164,342.40
  4. Step 4: Simplify right side
    219,811.20x = 54,143,852,682.24
  5. Step 5: Solve for x
    x = 54,143,852,682.24/219,811.20
  6. Step 6: Final answer
    x = 246,319.81

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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.