Finding the Fourth Proportional to 216,724.49, 299,102.29 and 124,846.95
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Solution
The fourth proportional to 216,724.49, 299,102.29 and 124,846.95 is: 172,301.75
Step by Step Solution
- Step 1: Write the proportion equation
216,724.49 : 299,102.29 = 124,846.95 : x - Step 2: Convert to fraction form
216,724.49/299,102.29 = 124,846.95/x - Step 3: Cross multiply
216,724.49x = 299,102.29 × 124,846.95 - Step 4: Simplify right side
216,724.49x = 37,342,008,332.40 - Step 5: Solve for x
x = 37,342,008,332.40/216,724.49 - Step 6: Final answer
x = 172,301.75
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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.