Home / 219,215.60-329,212.20-169,416.80

Finding the Fourth Proportional to 219,215.60, 329,212.20 and 169,416.80

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Solution

The fourth proportional to 219,215.60, 329,212.20 and 169,416.80 is: 254,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,215.60 : 329,212.20 = 169,416.80 : x
  2. Step 2: Convert to fraction form
    219,215.60/329,212.20 = 169,416.80/x
  3. Step 3: Cross multiply
    219,215.60x = 329,212.20 × 169,416.80
  4. Step 4: Simplify right side
    219,215.60x = 55,774,077,444.96
  5. Step 5: Solve for x
    x = 55,774,077,444.96/219,215.60
  6. Step 6: Final answer
    x = 254,425.68

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1.5x scale

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.