Finding the Fourth Proportional to 171,669.18, 257,454.56 and 51,737.75
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Solution
The fourth proportional to 171,669.18, 257,454.56 and 51,737.75 is: 77,591.79
Step by Step Solution
- Step 1: Write the proportion equation
171,669.18 : 257,454.56 = 51,737.75 : x - Step 2: Convert to fraction form
171,669.18/257,454.56 = 51,737.75/x - Step 3: Cross multiply
171,669.18x = 257,454.56 × 51,737.75 - Step 4: Simplify right side
171,669.18x = 13,320,119,661.64 - Step 5: Solve for x
x = 13,320,119,661.64/171,669.18 - Step 6: Final answer
x = 77,591.79
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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.