Finding the Fourth Proportional to 176,320.14, 243,324.69 and 99,837.21
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Solution
The fourth proportional to 176,320.14, 243,324.69 and 99,837.21 is: 137,776.99
Step by Step Solution
- Step 1: Write the proportion equation
176,320.14 : 243,324.69 = 99,837.21 : x - Step 2: Convert to fraction form
176,320.14/243,324.69 = 99,837.21/x - Step 3: Cross multiply
176,320.14x = 243,324.69 × 99,837.21 - Step 4: Simplify right side
176,320.14x = 24,292,858,173.71 - Step 5: Solve for x
x = 24,292,858,173.71/176,320.14 - Step 6: Final answer
x = 137,776.99
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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.