Finding the Fourth Proportional to 416,272.77, 624,587.36 and 131,986.67
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Solution
The fourth proportional to 416,272.77, 624,587.36 and 131,986.67 is: 198,036.50
Step by Step Solution
- Step 1: Write the proportion equation
416,272.77 : 624,587.36 = 131,986.67 : x - Step 2: Convert to fraction form
416,272.77/624,587.36 = 131,986.67/x - Step 3: Cross multiply
416,272.77x = 624,587.36 × 131,986.67 - Step 4: Simplify right side
416,272.77x = 82,437,201,987.62 - Step 5: Solve for x
x = 82,437,201,987.62/416,272.77 - Step 6: Final answer
x = 198,036.50
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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.