Finding the Fourth Proportional to 176,307.20, 264,525.60 and 71,136.80
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Solution
The fourth proportional to 176,307.20, 264,525.60 and 71,136.80 is: 106,731.35
Step by Step Solution
- Step 1: Write the proportion equation
176,307.20 : 264,525.60 = 71,136.80 : x - Step 2: Convert to fraction form
176,307.20/264,525.60 = 71,136.80/x - Step 3: Cross multiply
176,307.20x = 264,525.60 × 71,136.80 - Step 4: Simplify right side
176,307.20x = 18,817,504,702.08 - Step 5: Solve for x
x = 18,817,504,702.08/176,307.20 - Step 6: Final answer
x = 106,731.35
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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.