Finding the Fourth Proportional to 171,345.61, 257,042.99 and 53,026.03
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Solution
The fourth proportional to 171,345.61, 257,042.99 and 53,026.03 is: 79,546.65
Step by Step Solution
- Step 1: Write the proportion equation
171,345.61 : 257,042.99 = 53,026.03 : x - Step 2: Convert to fraction form
171,345.61/257,042.99 = 53,026.03/x - Step 3: Cross multiply
171,345.61x = 257,042.99 × 53,026.03 - Step 4: Simplify right side
171,345.61x = 13,629,969,299.03 - Step 5: Solve for x
x = 13,629,969,299.03/171,345.61 - Step 6: Final answer
x = 79,546.65
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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.