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Finding the Fourth Proportional to 427,888.67, 590,486.40 and 234,308.59

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Solution

The fourth proportional to 427,888.67, 590,486.40 and 234,308.59 is: 323,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,888.67 : 590,486.40 = 234,308.59 : x
  2. Step 2: Convert to fraction form
    427,888.67/590,486.40 = 234,308.59/x
  3. Step 3: Cross multiply
    427,888.67x = 590,486.40 × 234,308.59
  4. Step 4: Simplify right side
    427,888.67x = 138,356,034,321.96
  5. Step 5: Solve for x
    x = 138,356,034,321.96/427,888.67
  6. Step 6: Final answer
    x = 323,345.87

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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.