Finding the Fourth Proportional to 207,172.43, 310,774.31 and 57,410.99
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Solution
The fourth proportional to 207,172.43, 310,774.31 and 57,410.99 is: 86,120.82
Step by Step Solution
- Step 1: Write the proportion equation
207,172.43 : 310,774.31 = 57,410.99 : x - Step 2: Convert to fraction form
207,172.43/310,774.31 = 57,410.99/x - Step 3: Cross multiply
207,172.43x = 310,774.31 × 57,410.99 - Step 4: Simplify right side
207,172.43x = 17,841,858,962.74 - Step 5: Solve for x
x = 17,841,858,962.74/207,172.43 - Step 6: Final answer
x = 86,120.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.