Finding the Fourth Proportional to 217,119.84, 325,703.82 and 74,949.00
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Solution
The fourth proportional to 217,119.84, 325,703.82 and 74,949.00 is: 112,431.81
Step by Step Solution
- Step 1: Write the proportion equation
217,119.84 : 325,703.82 = 74,949.00 : x - Step 2: Convert to fraction form
217,119.84/325,703.82 = 74,949.00/x - Step 3: Cross multiply
217,119.84x = 325,703.82 × 74,949.00 - Step 4: Simplify right side
217,119.84x = 24,411,176,146.26 - Step 5: Solve for x
x = 24,411,176,146.26/217,119.84 - Step 6: Final answer
x = 112,431.81
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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.