Finding the Fourth Proportional to 177,623.80, 266,435.70 and 128,051.80
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Solution
The fourth proportional to 177,623.80, 266,435.70 and 128,051.80 is: 192,077.70
Step by Step Solution
- Step 1: Write the proportion equation
177,623.80 : 266,435.70 = 128,051.80 : x - Step 2: Convert to fraction form
177,623.80/266,435.70 = 128,051.80/x - Step 3: Cross multiply
177,623.80x = 266,435.70 × 128,051.80 - Step 4: Simplify right side
177,623.80x = 34,117,570,969.26 - Step 5: Solve for x
x = 34,117,570,969.26/177,623.80 - Step 6: Final answer
x = 192,077.70
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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.