Home / 210,823.44-315,885.24-171,399.12

Finding the Fourth Proportional to 210,823.44, 315,885.24 and 171,399.12

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Solution

The fourth proportional to 210,823.44, 315,885.24 and 171,399.12 is: 256,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,823.44 : 315,885.24 = 171,399.12 : x
  2. Step 2: Convert to fraction form
    210,823.44/315,885.24 = 171,399.12/x
  3. Step 3: Cross multiply
    210,823.44x = 315,885.24 × 171,399.12
  4. Step 4: Simplify right side
    210,823.44x = 54,142,452,156.99
  5. Step 5: Solve for x
    x = 54,142,452,156.99/210,823.44
  6. Step 6: Final answer
    x = 256,814.20

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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.