Finding the Fourth Proportional to 210,539.91, 290,552.24 and 115,052.75
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Solution
The fourth proportional to 210,539.91, 290,552.24 and 115,052.75 is: 158,776.72
Step by Step Solution
- Step 1: Write the proportion equation
210,539.91 : 290,552.24 = 115,052.75 : x - Step 2: Convert to fraction form
210,539.91/290,552.24 = 115,052.75/x - Step 3: Cross multiply
210,539.91x = 290,552.24 × 115,052.75 - Step 4: Simplify right side
210,539.91x = 33,428,835,465.87 - Step 5: Solve for x
x = 33,428,835,465.87/210,539.91 - Step 6: Final answer
x = 158,776.72
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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.