Finding the Fourth Proportional to 291,234.96, 401,837.58 and 163,864.08
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Solution
The fourth proportional to 291,234.96, 401,837.58 and 163,864.08 is: 226,094.92
Step by Step Solution
- Step 1: Write the proportion equation
291,234.96 : 401,837.58 = 163,864.08 : x - Step 2: Convert to fraction form
291,234.96/401,837.58 = 163,864.08/x - Step 3: Cross multiply
291,234.96x = 401,837.58 × 163,864.08 - Step 4: Simplify right side
291,234.96x = 65,846,745,356.13 - Step 5: Solve for x
x = 65,846,745,356.13/291,234.96 - Step 6: Final answer
x = 226,094.92
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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.