Home / 447,896.28-671,515.02-211,110.60

Finding the Fourth Proportional to 447,896.28, 671,515.02 and 211,110.60

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Solution

The fourth proportional to 447,896.28, 671,515.02 and 211,110.60 is: 316,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,896.28 : 671,515.02 = 211,110.60 : x
  2. Step 2: Convert to fraction form
    447,896.28/671,515.02 = 211,110.60/x
  3. Step 3: Cross multiply
    447,896.28x = 671,515.02 × 211,110.60
  4. Step 4: Simplify right side
    447,896.28x = 141,763,938,781.21
  5. Step 5: Solve for x
    x = 141,763,938,781.21/447,896.28
  6. Step 6: Final answer
    x = 316,510.64

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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.