Finding the Fourth Proportional to 215,472.10, 297,345.41 and 117,353.12
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Solution
The fourth proportional to 215,472.10, 297,345.41 and 117,353.12 is: 161,943.99
Step by Step Solution
- Step 1: Write the proportion equation
215,472.10 : 297,345.41 = 117,353.12 : x - Step 2: Convert to fraction form
215,472.10/297,345.41 = 117,353.12/x - Step 3: Cross multiply
215,472.10x = 297,345.41 × 117,353.12 - Step 4: Simplify right side
215,472.10x = 34,894,411,162.32 - Step 5: Solve for x
x = 34,894,411,162.32/215,472.10 - Step 6: Final answer
x = 161,943.99
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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.