Finding the Fourth Proportional to 225,543.58, 338,184.18 and 85,313.14
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Solution
The fourth proportional to 225,543.58, 338,184.18 and 85,313.14 is: 127,920.09
Step by Step Solution
- Step 1: Write the proportion equation
225,543.58 : 338,184.18 = 85,313.14 : x - Step 2: Convert to fraction form
225,543.58/338,184.18 = 85,313.14/x - Step 3: Cross multiply
225,543.58x = 338,184.18 × 85,313.14 - Step 4: Simplify right side
225,543.58x = 28,851,554,294.13 - Step 5: Solve for x
x = 28,851,554,294.13/225,543.58 - Step 6: Final answer
x = 127,920.09
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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.