Finding the Fourth Proportional to 201,012.20, 277,526.66 and 124,612.95
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Solution
The fourth proportional to 201,012.20, 277,526.66 and 124,612.95 is: 172,046.35
Step by Step Solution
- Step 1: Write the proportion equation
201,012.20 : 277,526.66 = 124,612.95 : x - Step 2: Convert to fraction form
201,012.20/277,526.66 = 124,612.95/x - Step 3: Cross multiply
201,012.20x = 277,526.66 × 124,612.95 - Step 4: Simplify right side
201,012.20x = 34,583,415,806.25 - Step 5: Solve for x
x = 34,583,415,806.25/201,012.20 - Step 6: Final answer
x = 172,046.35
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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.