Home / 383,146.56-528,742.02-222,094.92

Finding the Fourth Proportional to 383,146.56, 528,742.02 and 222,094.92

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Solution

The fourth proportional to 383,146.56, 528,742.02 and 222,094.92 is: 306,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,146.56 : 528,742.02 = 222,094.92 : x
  2. Step 2: Convert to fraction form
    383,146.56/528,742.02 = 222,094.92/x
  3. Step 3: Cross multiply
    383,146.56x = 528,742.02 × 222,094.92
  4. Step 4: Simplify right side
    383,146.56x = 117,430,916,632.54
  5. Step 5: Solve for x
    x = 117,430,916,632.54/383,146.56
  6. Step 6: Final answer
    x = 306,490.85

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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.