Home / 219,205.44-302,500.80-118,601.28

Finding the Fourth Proportional to 219,205.44, 302,500.80 and 118,601.28

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Solution

The fourth proportional to 219,205.44, 302,500.80 and 118,601.28 is: 163,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,205.44 : 302,500.80 = 118,601.28 : x
  2. Step 2: Convert to fraction form
    219,205.44/302,500.80 = 118,601.28/x
  3. Step 3: Cross multiply
    219,205.44x = 302,500.80 × 118,601.28
  4. Step 4: Simplify right side
    219,205.44x = 35,876,982,081.02
  5. Step 5: Solve for x
    x = 35,876,982,081.02/219,205.44
  6. Step 6: Final answer
    x = 163,668.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.