Finding the Fourth Proportional to 176,054.97, 242,952.11 and 99,563.99
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Solution
The fourth proportional to 176,054.97, 242,952.11 and 99,563.99 is: 137,396.18
Step by Step Solution
- Step 1: Write the proportion equation
176,054.97 : 242,952.11 = 99,563.99 : x - Step 2: Convert to fraction form
176,054.97/242,952.11 = 99,563.99/x - Step 3: Cross multiply
176,054.97x = 242,952.11 × 99,563.99 - Step 4: Simplify right side
176,054.97x = 24,189,279,737.94 - Step 5: Solve for x
x = 24,189,279,737.94/176,054.97 - Step 6: Final answer
x = 137,396.18
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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.