Finding the Fourth Proportional to 300,384.75, 414,532.17 and 166,248.75
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Solution
The fourth proportional to 300,384.75, 414,532.17 and 166,248.75 is: 229,423.95
Step by Step Solution
- Step 1: Write the proportion equation
300,384.75 : 414,532.17 = 166,248.75 : x - Step 2: Convert to fraction form
300,384.75/414,532.17 = 166,248.75/x - Step 3: Cross multiply
300,384.75x = 414,532.17 × 166,248.75 - Step 4: Simplify right side
300,384.75x = 68,915,455,097.29 - Step 5: Solve for x
x = 68,915,455,097.29/300,384.75 - Step 6: Final answer
x = 229,423.95
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1.5x scale
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.