Home / 284,450.31-426,675.33-84,765.60

Finding the Fourth Proportional to 284,450.31, 426,675.33 and 84,765.60

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Solution

The fourth proportional to 284,450.31, 426,675.33 and 84,765.60 is: 127,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,450.31 : 426,675.33 = 84,765.60 : x
  2. Step 2: Convert to fraction form
    284,450.31/426,675.33 = 84,765.60/x
  3. Step 3: Cross multiply
    284,450.31x = 426,675.33 × 84,765.60
  4. Step 4: Simplify right side
    284,450.31x = 36,167,390,352.65
  5. Step 5: Solve for x
    x = 36,167,390,352.65/284,450.31
  6. Step 6: Final answer
    x = 127,148.36

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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.