Finding the Fourth Proportional to 175,137.70, 241,695.99 and 103,579.06
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Solution
The fourth proportional to 175,137.70, 241,695.99 and 103,579.06 is: 142,942.63
Step by Step Solution
- Step 1: Write the proportion equation
175,137.70 : 241,695.99 = 103,579.06 : x - Step 2: Convert to fraction form
175,137.70/241,695.99 = 103,579.06/x - Step 3: Cross multiply
175,137.70x = 241,695.99 × 103,579.06 - Step 4: Simplify right side
175,137.70x = 25,034,643,449.97 - Step 5: Solve for x
x = 25,034,643,449.97/175,137.70 - Step 6: Final answer
x = 142,942.63
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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.