Finding the Fourth Proportional to 291,747.40, 437,621.10 and 248,201.80
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Solution
The fourth proportional to 291,747.40, 437,621.10 and 248,201.80 is: 372,302.70
Step by Step Solution
- Step 1: Write the proportion equation
291,747.40 : 437,621.10 = 248,201.80 : x - Step 2: Convert to fraction form
291,747.40/437,621.10 = 248,201.80/x - Step 3: Cross multiply
291,747.40x = 437,621.10 × 248,201.80 - Step 4: Simplify right side
291,747.40x = 108,618,344,737.98 - Step 5: Solve for x
x = 108,618,344,737.98/291,747.40 - Step 6: Final answer
x = 372,302.70
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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.