Finding the Fourth Proportional to 203,718.24, 305,134.40 and 124,593.12
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Solution
The fourth proportional to 203,718.24, 305,134.40 and 124,593.12 is: 186,618.77
Step by Step Solution
- Step 1: Write the proportion equation
203,718.24 : 305,134.40 = 124,593.12 : x - Step 2: Convert to fraction form
203,718.24/305,134.40 = 124,593.12/x - Step 3: Cross multiply
203,718.24x = 305,134.40 × 124,593.12 - Step 4: Simplify right side
203,718.24x = 38,017,646,915.33 - Step 5: Solve for x
x = 38,017,646,915.33/203,718.24 - Step 6: Final answer
x = 186,618.77
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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.