Finding the Fourth Proportional to 299,525.14, 449,279.07 and 77,909.14
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Solution
The fourth proportional to 299,525.14, 449,279.07 and 77,909.14 is: 116,861.46
Step by Step Solution
- Step 1: Write the proportion equation
299,525.14 : 449,279.07 = 77,909.14 : x - Step 2: Convert to fraction form
299,525.14/449,279.07 = 77,909.14/x - Step 3: Cross multiply
299,525.14x = 449,279.07 × 77,909.14 - Step 4: Simplify right side
299,525.14x = 35,002,945,963.70 - Step 5: Solve for x
x = 35,002,945,963.70/299,525.14 - Step 6: Final answer
x = 116,861.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.