Finding the Fourth Proportional to 315,365.48, 473,110.50 and 115,687.70
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Solution
The fourth proportional to 315,365.48, 473,110.50 and 115,687.70 is: 173,554.40
Step by Step Solution
- Step 1: Write the proportion equation
315,365.48 : 473,110.50 = 115,687.70 : x - Step 2: Convert to fraction form
315,365.48/473,110.50 = 115,687.70/x - Step 3: Cross multiply
315,365.48x = 473,110.50 × 115,687.70 - Step 4: Simplify right side
315,365.48x = 54,733,065,590.85 - Step 5: Solve for x
x = 54,733,065,590.85/315,365.48 - Step 6: Final answer
x = 173,554.40
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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.