Finding the Fourth Proportional to 177,378.30, 266,197.05 and 124,890.30
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Solution
The fourth proportional to 177,378.30, 266,197.05 and 124,890.30 is: 187,426.70
Step by Step Solution
- Step 1: Write the proportion equation
177,378.30 : 266,197.05 = 124,890.30 : x - Step 2: Convert to fraction form
177,378.30/266,197.05 = 124,890.30/x - Step 3: Cross multiply
177,378.30x = 266,197.05 × 124,890.30 - Step 4: Simplify right side
177,378.30x = 33,245,429,433.62 - Step 5: Solve for x
x = 33,245,429,433.62/177,378.30 - Step 6: Final answer
x = 187,426.70
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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.