Home / 210,986.20-316,625.10-151,872.40

Finding the Fourth Proportional to 210,986.20, 316,625.10 and 151,872.40

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Solution

The fourth proportional to 210,986.20, 316,625.10 and 151,872.40 is: 227,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,986.20 : 316,625.10 = 151,872.40 : x
  2. Step 2: Convert to fraction form
    210,986.20/316,625.10 = 151,872.40/x
  3. Step 3: Cross multiply
    210,986.20x = 316,625.10 × 151,872.40
  4. Step 4: Simplify right side
    210,986.20x = 48,086,613,837.24
  5. Step 5: Solve for x
    x = 48,086,613,837.24/210,986.20
  6. Step 6: Final answer
    x = 227,913.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.