Home / 219,845.49-329,657.35-156,629.49

Finding the Fourth Proportional to 219,845.49, 329,657.35 and 156,629.49

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Solution

The fourth proportional to 219,845.49, 329,657.35 and 156,629.49 is: 234,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,845.49 : 329,657.35 = 156,629.49 : x
  2. Step 2: Convert to fraction form
    219,845.49/329,657.35 = 156,629.49/x
  3. Step 3: Cross multiply
    219,845.49x = 329,657.35 × 156,629.49
  4. Step 4: Simplify right side
    219,845.49x = 51,634,062,605.25
  5. Step 5: Solve for x
    x = 51,634,062,605.25/219,845.49
  6. Step 6: Final answer
    x = 234,865.23

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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.