Finding the Fourth Proportional to 215,436.96, 297,345.87 and 124,813.08
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Solution
The fourth proportional to 215,436.96, 297,345.87 and 124,813.08 is: 172,266.88
Step by Step Solution
- Step 1: Write the proportion equation
215,436.96 : 297,345.87 = 124,813.08 : x - Step 2: Convert to fraction form
215,436.96/297,345.87 = 124,813.08/x - Step 3: Cross multiply
215,436.96x = 297,345.87 × 124,813.08 - Step 4: Simplify right side
215,436.96x = 37,112,653,859.98 - Step 5: Solve for x
x = 37,112,653,859.98/215,436.96 - Step 6: Final answer
x = 172,266.88
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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.