Finding the Fourth Proportional to 315,531.24, 473,435.57 and 165,736.72
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Solution
The fourth proportional to 315,531.24, 473,435.57 and 165,736.72 is: 248,677.94
Step by Step Solution
- Step 1: Write the proportion equation
315,531.24 : 473,435.57 = 165,736.72 : x - Step 2: Convert to fraction form
315,531.24/473,435.57 = 165,736.72/x - Step 3: Cross multiply
315,531.24x = 473,435.57 × 165,736.72 - Step 4: Simplify right side
315,531.24x = 78,465,658,503.13 - Step 5: Solve for x
x = 78,465,658,503.13/315,531.24 - Step 6: Final answer
x = 248,677.94
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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.