Finding the Fourth Proportional to 157,727.95, 217,677.00 and 89,747.79
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Solution
The fourth proportional to 157,727.95, 217,677.00 and 89,747.79 is: 123,859.02
Step by Step Solution
- Step 1: Write the proportion equation
157,727.95 : 217,677.00 = 89,747.79 : x - Step 2: Convert to fraction form
157,727.95/217,677.00 = 89,747.79/x - Step 3: Cross multiply
157,727.95x = 217,677.00 × 89,747.79 - Step 4: Simplify right side
157,727.95x = 19,536,029,235.09 - Step 5: Solve for x
x = 19,536,029,235.09/157,727.95 - Step 6: Final answer
x = 123,859.02
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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.