Home / 427,844.54-590,434.17-255,939.86

Finding the Fourth Proportional to 427,844.54, 590,434.17 and 255,939.86

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Solution

The fourth proportional to 427,844.54, 590,434.17 and 255,939.86 is: 353,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,844.54 : 590,434.17 = 255,939.86 : x
  2. Step 2: Convert to fraction form
    427,844.54/590,434.17 = 255,939.86/x
  3. Step 3: Cross multiply
    427,844.54x = 590,434.17 × 255,939.86
  4. Step 4: Simplify right side
    427,844.54x = 151,115,638,809.02
  5. Step 5: Solve for x
    x = 151,115,638,809.02/427,844.54
  6. Step 6: Final answer
    x = 353,202.21

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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.