Finding the Fourth Proportional to 315,331.24, 472,715.52 and 115,604.98
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Solution
The fourth proportional to 315,331.24, 472,715.52 and 115,604.98 is: 173,304.33
Step by Step Solution
- Step 1: Write the proportion equation
315,331.24 : 472,715.52 = 115,604.98 : x - Step 2: Convert to fraction form
315,331.24/472,715.52 = 115,604.98/x - Step 3: Cross multiply
315,331.24x = 472,715.52 × 115,604.98 - Step 4: Simplify right side
315,331.24x = 54,648,268,235.29 - Step 5: Solve for x
x = 54,648,268,235.29/315,331.24 - Step 6: Final answer
x = 173,304.33
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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.