Finding the Fourth Proportional to 177,416.80, 266,125.20 and 114,431.20
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Solution
The fourth proportional to 177,416.80, 266,125.20 and 114,431.20 is: 171,646.80
Step by Step Solution
- Step 1: Write the proportion equation
177,416.80 : 266,125.20 = 114,431.20 : x - Step 2: Convert to fraction form
177,416.80/266,125.20 = 114,431.20/x - Step 3: Cross multiply
177,416.80x = 266,125.20 × 114,431.20 - Step 4: Simplify right side
177,416.80x = 30,453,025,986.24 - Step 5: Solve for x
x = 30,453,025,986.24/177,416.80 - Step 6: Final answer
x = 171,646.80
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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.