Finding the Fourth Proportional to 203,822.26, 305,713.95 and 124,895.86
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Solution
The fourth proportional to 203,822.26, 305,713.95 and 124,895.86 is: 187,331.88
Step by Step Solution
- Step 1: Write the proportion equation
203,822.26 : 305,713.95 = 124,895.86 : x - Step 2: Convert to fraction form
203,822.26/305,713.95 = 124,895.86/x - Step 3: Cross multiply
203,822.26x = 305,713.95 × 124,895.86 - Step 4: Simplify right side
203,822.26x = 38,182,406,699.25 - Step 5: Solve for x
x = 38,182,406,699.25/203,822.26 - Step 6: Final answer
x = 187,331.88
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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.