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Finding the Fourth Proportional to 427,867.56, 590,433.72 and 234,237.76

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Solution

The fourth proportional to 427,867.56, 590,433.72 and 234,237.76 is: 323,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,867.56 : 590,433.72 = 234,237.76 : x
  2. Step 2: Convert to fraction form
    427,867.56/590,433.72 = 234,237.76/x
  3. Step 3: Cross multiply
    427,867.56x = 590,433.72 × 234,237.76
  4. Step 4: Simplify right side
    427,867.56x = 138,301,872,001.27
  5. Step 5: Solve for x
    x = 138,301,872,001.27/427,867.56
  6. Step 6: Final answer
    x = 323,235.24

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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.