Finding the Fourth Proportional to 315,121.92, 472,859.52 and 167,374.08
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Solution
The fourth proportional to 315,121.92, 472,859.52 and 167,374.08 is: 251,154.94
Step by Step Solution
- Step 1: Write the proportion equation
315,121.92 : 472,859.52 = 167,374.08 : x - Step 2: Convert to fraction form
315,121.92/472,859.52 = 167,374.08/x - Step 3: Cross multiply
315,121.92x = 472,859.52 × 167,374.08 - Step 4: Simplify right side
315,121.92x = 79,144,427,129.24 - Step 5: Solve for x
x = 79,144,427,129.24/315,121.92 - Step 6: Final answer
x = 251,154.94
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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.