Finding the Fourth Proportional to 114,248.68, 157,640.76 and 71,782.68
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Solution
The fourth proportional to 114,248.68, 157,640.76 and 71,782.68 is: 99,046.01
Step by Step Solution
- Step 1: Write the proportion equation
114,248.68 : 157,640.76 = 71,782.68 : x - Step 2: Convert to fraction form
114,248.68/157,640.76 = 71,782.68/x - Step 3: Cross multiply
114,248.68x = 157,640.76 × 71,782.68 - Step 4: Simplify right side
114,248.68x = 11,315,876,230.04 - Step 5: Solve for x
x = 11,315,876,230.04/114,248.68 - Step 6: Final answer
x = 99,046.01
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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.