Finding the Fourth Proportional to 224,724.92, 310,186.87 and 129,298.82
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Solution
The fourth proportional to 224,724.92, 310,186.87 and 129,298.82 is: 178,470.62
Step by Step Solution
- Step 1: Write the proportion equation
224,724.92 : 310,186.87 = 129,298.82 : x - Step 2: Convert to fraction form
224,724.92/310,186.87 = 129,298.82/x - Step 3: Cross multiply
224,724.92x = 310,186.87 × 129,298.82 - Step 4: Simplify right side
224,724.92x = 40,106,794,396.31 - Step 5: Solve for x
x = 40,106,794,396.31/224,724.92 - Step 6: Final answer
x = 178,470.62
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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.