Finding the Fourth Proportional to 178,486.49, 246,293.10 and 106,864.67
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Solution
The fourth proportional to 178,486.49, 246,293.10 and 106,864.67 is: 147,462.31
Step by Step Solution
- Step 1: Write the proportion equation
178,486.49 : 246,293.10 = 106,864.67 : x - Step 2: Convert to fraction form
178,486.49/246,293.10 = 106,864.67/x - Step 3: Cross multiply
178,486.49x = 246,293.10 × 106,864.67 - Step 4: Simplify right side
178,486.49x = 26,320,029,623.31 - Step 5: Solve for x
x = 26,320,029,623.31/178,486.49 - Step 6: Final answer
x = 147,462.31
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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.