Home / 283,629.90-391,427.73-162,810.30

Finding the Fourth Proportional to 283,629.90, 391,427.73 and 162,810.30

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Solution

The fourth proportional to 283,629.90, 391,427.73 and 162,810.30 is: 224,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,629.90 : 391,427.73 = 162,810.30 : x
  2. Step 2: Convert to fraction form
    283,629.90/391,427.73 = 162,810.30/x
  3. Step 3: Cross multiply
    283,629.90x = 391,427.73 × 162,810.30
  4. Step 4: Simplify right side
    283,629.90x = 63,728,466,149.62
  5. Step 5: Solve for x
    x = 63,728,466,149.62/283,629.90
  6. Step 6: Final answer
    x = 224,688.82

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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.