Finding the Fourth Proportional to 171,689.18, 257,484.51 and 51,757.82
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Solution
The fourth proportional to 171,689.18, 257,484.51 and 51,757.82 is: 77,621.88
Step by Step Solution
- Step 1: Write the proportion equation
171,689.18 : 257,484.51 = 51,757.82 : x - Step 2: Convert to fraction form
171,689.18/257,484.51 = 51,757.82/x - Step 3: Cross multiply
171,689.18x = 257,484.51 × 51,757.82 - Step 4: Simplify right side
171,689.18x = 13,326,836,921.37 - Step 5: Solve for x
x = 13,326,836,921.37/171,689.18 - Step 6: Final answer
x = 77,621.88
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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.