Finding the Fourth Proportional to 315,069.92, 472,447.20 and 104,634.08
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Solution
The fourth proportional to 315,069.92, 472,447.20 and 104,634.08 is: 156,898.75
Step by Step Solution
- Step 1: Write the proportion equation
315,069.92 : 472,447.20 = 104,634.08 : x - Step 2: Convert to fraction form
315,069.92/472,447.20 = 104,634.08/x - Step 3: Cross multiply
315,069.92x = 472,447.20 × 104,634.08 - Step 4: Simplify right side
315,069.92x = 49,434,078,120.58 - Step 5: Solve for x
x = 49,434,078,120.58/315,069.92 - Step 6: Final answer
x = 156,898.75
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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.