Finding the Fourth Proportional to 253,203.98, 379,910.72 and 110,975.74
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Solution
The fourth proportional to 253,203.98, 379,910.72 and 110,975.74 is: 166,509.52
Step by Step Solution
- Step 1: Write the proportion equation
253,203.98 : 379,910.72 = 110,975.74 : x - Step 2: Convert to fraction form
253,203.98/379,910.72 = 110,975.74/x - Step 3: Cross multiply
253,203.98x = 379,910.72 × 110,975.74 - Step 4: Simplify right side
253,203.98x = 42,160,872,613.60 - Step 5: Solve for x
x = 42,160,872,613.60/253,203.98 - Step 6: Final answer
x = 166,509.52
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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.