Finding the Fourth Proportional to 337,640.91, 506,274.39 and 138,101.42
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Solution
The fourth proportional to 337,640.91, 506,274.39 and 138,101.42 is: 207,075.65
Step by Step Solution
- Step 1: Write the proportion equation
337,640.91 : 506,274.39 = 138,101.42 : x - Step 2: Convert to fraction form
337,640.91/506,274.39 = 138,101.42/x - Step 3: Cross multiply
337,640.91x = 506,274.39 × 138,101.42 - Step 4: Simplify right side
337,640.91x = 69,917,209,637.26 - Step 5: Solve for x
x = 69,917,209,637.26/337,640.91 - Step 6: Final answer
x = 207,075.65
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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.