Home / 270,927.12-373,883.36-156,203.76

Finding the Fourth Proportional to 270,927.12, 373,883.36 and 156,203.76

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Solution

The fourth proportional to 270,927.12, 373,883.36 and 156,203.76 is: 215,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,927.12 : 373,883.36 = 156,203.76 : x
  2. Step 2: Convert to fraction form
    270,927.12/373,883.36 = 156,203.76/x
  3. Step 3: Cross multiply
    270,927.12x = 373,883.36 × 156,203.76
  4. Step 4: Simplify right side
    270,927.12x = 58,401,986,633.43
  5. Step 5: Solve for x
    x = 58,401,986,633.43/270,927.12
  6. Step 6: Final answer
    x = 215,563.46

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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.