Home / 355,427.08-490,496.34-194,277.64

Finding the Fourth Proportional to 355,427.08, 490,496.34 and 194,277.64

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Solution

The fourth proportional to 355,427.08, 490,496.34 and 194,277.64 is: 268,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,427.08 : 490,496.34 = 194,277.64 : x
  2. Step 2: Convert to fraction form
    355,427.08/490,496.34 = 194,277.64/x
  3. Step 3: Cross multiply
    355,427.08x = 490,496.34 × 194,277.64
  4. Step 4: Simplify right side
    355,427.08x = 95,292,471,363.84
  5. Step 5: Solve for x
    x = 95,292,471,363.84/355,427.08
  6. Step 6: Final answer
    x = 268,106.95

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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.