Home / 268,427.58-370,431.27-147,579.54

Finding the Fourth Proportional to 268,427.58, 370,431.27 and 147,579.54

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Solution

The fourth proportional to 268,427.58, 370,431.27 and 147,579.54 is: 203,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,427.58 : 370,431.27 = 147,579.54 : x
  2. Step 2: Convert to fraction form
    268,427.58/370,431.27 = 147,579.54/x
  3. Step 3: Cross multiply
    268,427.58x = 370,431.27 × 147,579.54
  4. Step 4: Simplify right side
    268,427.58x = 54,668,076,428.22
  5. Step 5: Solve for x
    x = 54,668,076,428.22/268,427.58
  6. Step 6: Final answer
    x = 203,660.43

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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.