Home / 270,928.12-373,884.74-156,204.76

Finding the Fourth Proportional to 270,928.12, 373,884.74 and 156,204.76

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Solution

The fourth proportional to 270,928.12, 373,884.74 and 156,204.76 is: 215,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,928.12 : 373,884.74 = 156,204.76 : x
  2. Step 2: Convert to fraction form
    270,928.12/373,884.74 = 156,204.76/x
  3. Step 3: Cross multiply
    270,928.12x = 373,884.74 × 156,204.76
  4. Step 4: Simplify right side
    270,928.12x = 58,402,576,079.36
  5. Step 5: Solve for x
    x = 58,402,576,079.36/270,928.12
  6. Step 6: Final answer
    x = 215,564.84

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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.