Finding the Fourth Proportional to 177,490.80, 266,197.80 and 77,650.80
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Solution
The fourth proportional to 177,490.80, 266,197.80 and 77,650.80 is: 116,459.40
Step by Step Solution
- Step 1: Write the proportion equation
177,490.80 : 266,197.80 = 77,650.80 : x - Step 2: Convert to fraction form
177,490.80/266,197.80 = 77,650.80/x - Step 3: Cross multiply
177,490.80x = 266,197.80 × 77,650.80 - Step 4: Simplify right side
177,490.80x = 20,670,472,128.24 - Step 5: Solve for x
x = 20,670,472,128.24/177,490.80 - Step 6: Final answer
x = 116,459.40
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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.