Finding the Fourth Proportional to 315,372.26, 473,120.62 and 115,694.30
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Solution
The fourth proportional to 315,372.26, 473,120.62 and 115,694.30 is: 173,564.28
Step by Step Solution
- Step 1: Write the proportion equation
315,372.26 : 473,120.62 = 115,694.30 : x - Step 2: Convert to fraction form
315,372.26/473,120.62 = 115,694.30/x - Step 3: Cross multiply
315,372.26x = 473,120.62 × 115,694.30 - Step 4: Simplify right side
315,372.26x = 54,737,358,946.47 - Step 5: Solve for x
x = 54,737,358,946.47/315,372.26 - Step 6: Final answer
x = 173,564.28
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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.