Finding the Fourth Proportional to 316,909.44, 475,372.48 and 92,260.80
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Solution
The fourth proportional to 316,909.44, 475,372.48 and 92,260.80 is: 138,393.62
Step by Step Solution
- Step 1: Write the proportion equation
316,909.44 : 475,372.48 = 92,260.80 : x - Step 2: Convert to fraction form
316,909.44/475,372.48 = 92,260.80/x - Step 3: Cross multiply
316,909.44x = 475,372.48 × 92,260.80 - Step 4: Simplify right side
316,909.44x = 43,858,245,302.78 - Step 5: Solve for x
x = 43,858,245,302.78/316,909.44 - Step 6: Final answer
x = 138,393.62
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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.