Finding the Fourth Proportional to 382,160.08, 527,368.08 and 212,390.56
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Solution
The fourth proportional to 382,160.08, 527,368.08 and 212,390.56 is: 293,091.84
Step by Step Solution
- Step 1: Write the proportion equation
382,160.08 : 527,368.08 = 212,390.56 : x - Step 2: Convert to fraction form
382,160.08/527,368.08 = 212,390.56/x - Step 3: Cross multiply
382,160.08x = 527,368.08 × 212,390.56 - Step 4: Simplify right side
382,160.08x = 112,008,001,837.33 - Step 5: Solve for x
x = 112,008,001,837.33/382,160.08 - Step 6: Final answer
x = 293,091.84
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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.