Finding the Fourth Proportional to 217,431.82, 300,088.71 and 132,598.09
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Solution
The fourth proportional to 217,431.82, 300,088.71 and 132,598.09 is: 183,005.37
Step by Step Solution
- Step 1: Write the proportion equation
217,431.82 : 300,088.71 = 132,598.09 : x - Step 2: Convert to fraction form
217,431.82/300,088.71 = 132,598.09/x - Step 3: Cross multiply
217,431.82x = 300,088.71 × 132,598.09 - Step 4: Simplify right side
217,431.82x = 39,791,189,776.56 - Step 5: Solve for x
x = 39,791,189,776.56/217,431.82 - Step 6: Final answer
x = 183,005.37
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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.