Finding the Fourth Proportional to 214,046.96, 295,386.96 and 129,147.62
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Solution
The fourth proportional to 214,046.96, 295,386.96 and 129,147.62 is: 178,225.02
Step by Step Solution
- Step 1: Write the proportion equation
214,046.96 : 295,386.96 = 129,147.62 : x - Step 2: Convert to fraction form
214,046.96/295,386.96 = 129,147.62/x - Step 3: Cross multiply
214,046.96x = 295,386.96 × 129,147.62 - Step 4: Simplify right side
214,046.96x = 38,148,521,870.40 - Step 5: Solve for x
x = 38,148,521,870.40/214,046.96 - Step 6: Final answer
x = 178,225.02
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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.