Finding the Fourth Proportional to 315,092.70, 472,207.05 and 202,427.10
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Solution
The fourth proportional to 315,092.70, 472,207.05 and 202,427.10 is: 303,363.12
Step by Step Solution
- Step 1: Write the proportion equation
315,092.70 : 472,207.05 = 202,427.10 : x - Step 2: Convert to fraction form
315,092.70/472,207.05 = 202,427.10/x - Step 3: Cross multiply
315,092.70x = 472,207.05 × 202,427.10 - Step 4: Simplify right side
315,092.70x = 95,587,503,731.06 - Step 5: Solve for x
x = 95,587,503,731.06/315,092.70 - Step 6: Final answer
x = 303,363.12
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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.