Home / 427,297.88-589,620.02-236,285.30

Finding the Fourth Proportional to 427,297.88, 589,620.02 and 236,285.30

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Solution

The fourth proportional to 427,297.88, 589,620.02 and 236,285.30 is: 326,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,297.88 : 589,620.02 = 236,285.30 : x
  2. Step 2: Convert to fraction form
    427,297.88/589,620.02 = 236,285.30/x
  3. Step 3: Cross multiply
    427,297.88x = 589,620.02 × 236,285.30
  4. Step 4: Simplify right side
    427,297.88x = 139,318,539,182.18
  5. Step 5: Solve for x
    x = 139,318,539,182.18/427,297.88
  6. Step 6: Final answer
    x = 326,045.48

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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.