Finding the Fourth Proportional to 206,572.68, 285,053.58 and 115,916.04
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Solution
The fourth proportional to 206,572.68, 285,053.58 and 115,916.04 is: 159,954.75
Step by Step Solution
- Step 1: Write the proportion equation
206,572.68 : 285,053.58 = 115,916.04 : x - Step 2: Convert to fraction form
206,572.68/285,053.58 = 115,916.04/x - Step 3: Cross multiply
206,572.68x = 285,053.58 × 115,916.04 - Step 4: Simplify right side
206,572.68x = 33,042,282,181.42 - Step 5: Solve for x
x = 33,042,282,181.42/206,572.68 - Step 6: Final answer
x = 159,954.75
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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.