Home / 219,319.36-329,079.20-119,329.60

Finding the Fourth Proportional to 219,319.36, 329,079.20 and 119,329.60

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Solution

The fourth proportional to 219,319.36, 329,079.20 and 119,329.60 is: 179,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,319.36 : 329,079.20 = 119,329.60 : x
  2. Step 2: Convert to fraction form
    219,319.36/329,079.20 = 119,329.60/x
  3. Step 3: Cross multiply
    219,319.36x = 329,079.20 × 119,329.60
  4. Step 4: Simplify right side
    219,319.36x = 39,268,889,304.32
  5. Step 5: Solve for x
    x = 39,268,889,304.32/219,319.36
  6. Step 6: Final answer
    x = 179,048.90

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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.