Home / 274,211.64-378,325.96-153,336.60

Finding the Fourth Proportional to 274,211.64, 378,325.96 and 153,336.60

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Solution

The fourth proportional to 274,211.64, 378,325.96 and 153,336.60 is: 211,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,211.64 : 378,325.96 = 153,336.60 : x
  2. Step 2: Convert to fraction form
    274,211.64/378,325.96 = 153,336.60/x
  3. Step 3: Cross multiply
    274,211.64x = 378,325.96 × 153,336.60
  4. Step 4: Simplify right side
    274,211.64x = 58,011,216,398.14
  5. Step 5: Solve for x
    x = 58,011,216,398.14/274,211.64
  6. Step 6: Final answer
    x = 211,556.36

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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.