Finding the Fourth Proportional to 179,651.70, 247,913.99 and 99,079.18
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Solution
The fourth proportional to 179,651.70, 247,913.99 and 99,079.18 is: 136,726.31
Step by Step Solution
- Step 1: Write the proportion equation
179,651.70 : 247,913.99 = 99,079.18 : x - Step 2: Convert to fraction form
179,651.70/247,913.99 = 99,079.18/x - Step 3: Cross multiply
179,651.70x = 247,913.99 × 99,079.18 - Step 4: Simplify right side
179,651.70x = 24,563,114,839.73 - Step 5: Solve for x
x = 24,563,114,839.73/179,651.70 - Step 6: Final answer
x = 136,726.31
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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.