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Finding the Fourth Proportional to 230,014.68, 345,038.76 and 72,241.80

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Solution

The fourth proportional to 230,014.68, 345,038.76 and 72,241.80 is: 108,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,014.68 : 345,038.76 = 72,241.80 : x
  2. Step 2: Convert to fraction form
    230,014.68/345,038.76 = 72,241.80/x
  3. Step 3: Cross multiply
    230,014.68x = 345,038.76 × 72,241.80
  4. Step 4: Simplify right side
    230,014.68x = 24,926,221,092.17
  5. Step 5: Solve for x
    x = 24,926,221,092.17/230,014.68
  6. Step 6: Final answer
    x = 108,367.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.