Finding the Fourth Proportional to 549,907.80, 824,861.70 and 194,957.70
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Solution
The fourth proportional to 549,907.80, 824,861.70 and 194,957.70 is: 292,436.55
Step by Step Solution
- Step 1: Write the proportion equation
549,907.80 : 824,861.70 = 194,957.70 : x - Step 2: Convert to fraction form
549,907.80/824,861.70 = 194,957.70/x - Step 3: Cross multiply
549,907.80x = 824,861.70 × 194,957.70 - Step 4: Simplify right side
549,907.80x = 160,813,139,850.09 - Step 5: Solve for x
x = 160,813,139,850.09/549,907.80 - Step 6: Final answer
x = 292,436.55
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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.