Home / 204,400.56-306,602.21-71,280.30

Finding the Fourth Proportional to 204,400.56, 306,602.21 and 71,280.30

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Solution

The fourth proportional to 204,400.56, 306,602.21 and 71,280.30 is: 106,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,400.56 : 306,602.21 = 71,280.30 : x
  2. Step 2: Convert to fraction form
    204,400.56/306,602.21 = 71,280.30/x
  3. Step 3: Cross multiply
    204,400.56x = 306,602.21 × 71,280.30
  4. Step 4: Simplify right side
    204,400.56x = 21,854,697,153.06
  5. Step 5: Solve for x
    x = 21,854,697,153.06/204,400.56
  6. Step 6: Final answer
    x = 106,920.93

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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.