Home / 445,839.70-615,258.73-254,857.22

Finding the Fourth Proportional to 445,839.70, 615,258.73 and 254,857.22

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Solution

The fourth proportional to 445,839.70, 615,258.73 and 254,857.22 is: 351,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,839.70 : 615,258.73 = 254,857.22 : x
  2. Step 2: Convert to fraction form
    445,839.70/615,258.73 = 254,857.22/x
  3. Step 3: Cross multiply
    445,839.70x = 615,258.73 × 254,857.22
  4. Step 4: Simplify right side
    445,839.70x = 156,803,129,508.53
  5. Step 5: Solve for x
    x = 156,803,129,508.53/445,839.70
  6. Step 6: Final answer
    x = 351,702.93

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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.