Home / 428,196.21-590,883.05-234,603.65

Finding the Fourth Proportional to 428,196.21, 590,883.05 and 234,603.65

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Solution

The fourth proportional to 428,196.21, 590,883.05 and 234,603.65 is: 323,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,196.21 : 590,883.05 = 234,603.65 : x
  2. Step 2: Convert to fraction form
    428,196.21/590,883.05 = 234,603.65/x
  3. Step 3: Cross multiply
    428,196.21x = 590,883.05 × 234,603.65
  4. Step 4: Simplify right side
    428,196.21x = 138,623,320,253.13
  5. Step 5: Solve for x
    x = 138,623,320,253.13/428,196.21
  6. Step 6: Final answer
    x = 323,737.85

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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.