Finding the Fourth Proportional to 237,813.61, 328,175.68 and 130,379.97
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Solution
The fourth proportional to 237,813.61, 328,175.68 and 130,379.97 is: 179,920.47
Step by Step Solution
- Step 1: Write the proportion equation
237,813.61 : 328,175.68 = 130,379.97 : x - Step 2: Convert to fraction form
237,813.61/328,175.68 = 130,379.97/x - Step 3: Cross multiply
237,813.61x = 328,175.68 × 130,379.97 - Step 4: Simplify right side
237,813.61x = 42,787,535,313.13 - Step 5: Solve for x
x = 42,787,535,313.13/237,813.61 - Step 6: Final answer
x = 179,920.47
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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.