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Finding the Fourth Proportional to 360,537.15, 540,641.70 and 192,014.22

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Solution

The fourth proportional to 360,537.15, 540,641.70 and 192,014.22 is: 287,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,537.15 : 540,641.70 = 192,014.22 : x
  2. Step 2: Convert to fraction form
    360,537.15/540,641.70 = 192,014.22/x
  3. Step 3: Cross multiply
    360,537.15x = 540,641.70 × 192,014.22
  4. Step 4: Simplify right side
    360,537.15x = 103,810,894,324.97
  5. Step 5: Solve for x
    x = 103,810,894,324.97/360,537.15
  6. Step 6: Final answer
    x = 287,933.97

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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.