Finding the Fourth Proportional to 277,987.34, 416,504.50 and 186,631.63
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Solution
The fourth proportional to 277,987.34, 416,504.50 and 186,631.63 is: 279,627.52
Step by Step Solution
- Step 1: Write the proportion equation
277,987.34 : 416,504.50 = 186,631.63 : x - Step 2: Convert to fraction form
277,987.34/416,504.50 = 186,631.63/x - Step 3: Cross multiply
277,987.34x = 416,504.50 × 186,631.63 - Step 4: Simplify right side
277,987.34x = 77,732,912,229.49 - Step 5: Solve for x
x = 77,732,912,229.49/277,987.34 - Step 6: Final answer
x = 279,627.52
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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.