Finding the Fourth Proportional to 416,391.98, 624,494.57 and 191,536.48
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Solution
The fourth proportional to 416,391.98, 624,494.57 and 191,536.48 is: 287,261.75
Step by Step Solution
- Step 1: Write the proportion equation
416,391.98 : 624,494.57 = 191,536.48 : x - Step 2: Convert to fraction form
416,391.98/624,494.57 = 191,536.48/x - Step 3: Cross multiply
416,391.98x = 624,494.57 × 191,536.48 - Step 4: Simplify right side
416,391.98x = 119,613,488,594.44 - Step 5: Solve for x
x = 119,613,488,594.44/416,391.98 - Step 6: Final answer
x = 287,261.75
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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.