Finding the Fourth Proportional to 115,812.79, 173,717.36 and 36,926.49
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Solution
The fourth proportional to 115,812.79, 173,717.36 and 36,926.49 is: 55,389.15
Step by Step Solution
- Step 1: Write the proportion equation
115,812.79 : 173,717.36 = 36,926.49 : x - Step 2: Convert to fraction form
115,812.79/173,717.36 = 36,926.49/x - Step 3: Cross multiply
115,812.79x = 173,717.36 × 36,926.49 - Step 4: Simplify right side
115,812.79x = 6,414,772,356.87 - Step 5: Solve for x
x = 6,414,772,356.87/115,812.79 - Step 6: Final answer
x = 55,389.15
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1.5x scale
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.