Home / 219,731.60-329,986.20-169,932.80

Finding the Fourth Proportional to 219,731.60, 329,986.20 and 169,932.80

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Solution

The fourth proportional to 219,731.60, 329,986.20 and 169,932.80 is: 255,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,731.60 : 329,986.20 = 169,932.80 : x
  2. Step 2: Convert to fraction form
    219,731.60/329,986.20 = 169,932.80/x
  3. Step 3: Cross multiply
    219,731.60x = 329,986.20 × 169,932.80
  4. Step 4: Simplify right side
    219,731.60x = 56,075,478,927.36
  5. Step 5: Solve for x
    x = 56,075,478,927.36/219,731.60
  6. Step 6: Final answer
    x = 255,199.88

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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.