Finding the Fourth Proportional to 499,092.10, 748,638.15 and 274,365.70
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Solution
The fourth proportional to 499,092.10, 748,638.15 and 274,365.70 is: 411,548.55
Step by Step Solution
- Step 1: Write the proportion equation
499,092.10 : 748,638.15 = 274,365.70 : x - Step 2: Convert to fraction form
499,092.10/748,638.15 = 274,365.70/x - Step 3: Cross multiply
499,092.10x = 748,638.15 × 274,365.70 - Step 4: Simplify right side
499,092.10x = 205,400,630,071.46 - Step 5: Solve for x
x = 205,400,630,071.46/499,092.10 - Step 6: Final answer
x = 411,548.55
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Similar ratio
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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.