Finding the Fourth Proportional to 191,490.29, 287,233.41 and 49,334.99
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Solution
The fourth proportional to 191,490.29, 287,233.41 and 49,334.99 is: 74,001.96
Step by Step Solution
- Step 1: Write the proportion equation
191,490.29 : 287,233.41 = 49,334.99 : x - Step 2: Convert to fraction form
191,490.29/287,233.41 = 49,334.99/x - Step 3: Cross multiply
191,490.29x = 287,233.41 × 49,334.99 - Step 4: Simplify right side
191,490.29x = 14,170,655,973.85 - Step 5: Solve for x
x = 14,170,655,973.85/191,490.29 - Step 6: Final answer
x = 74,001.96
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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.