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Finding the Fourth Proportional to 425,169.21, 586,733.48 and 234,182.59

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Solution

The fourth proportional to 425,169.21, 586,733.48 and 234,182.59 is: 323,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,169.21 : 586,733.48 = 234,182.59 : x
  2. Step 2: Convert to fraction form
    425,169.21/586,733.48 = 234,182.59/x
  3. Step 3: Cross multiply
    425,169.21x = 586,733.48 × 234,182.59
  4. Step 4: Simplify right side
    425,169.21x = 137,402,765,986.11
  5. Step 5: Solve for x
    x = 137,402,765,986.11/425,169.21
  6. Step 6: Final answer
    x = 323,171.96

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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.