Finding the Fourth Proportional to 212,121.13, 292,724.52 and 116,626.99
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Solution
The fourth proportional to 212,121.13, 292,724.52 and 116,626.99 is: 160,943.80
Step by Step Solution
- Step 1: Write the proportion equation
212,121.13 : 292,724.52 = 116,626.99 : x - Step 2: Convert to fraction form
212,121.13/292,724.52 = 116,626.99/x - Step 3: Cross multiply
212,121.13x = 292,724.52 × 116,626.99 - Step 4: Simplify right side
212,121.13x = 34,139,579,666.79 - Step 5: Solve for x
x = 34,139,579,666.79/212,121.13 - Step 6: Final answer
x = 160,943.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.