Finding the Fourth Proportional to 177,923.36, 266,914.20 and 84,378.08
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Solution
The fourth proportional to 177,923.36, 266,914.20 and 84,378.08 is: 126,580.95
Step by Step Solution
- Step 1: Write the proportion equation
177,923.36 : 266,914.20 = 84,378.08 : x - Step 2: Convert to fraction form
177,923.36/266,914.20 = 84,378.08/x - Step 3: Cross multiply
177,923.36x = 266,914.20 × 84,378.08 - Step 4: Simplify right side
177,923.36x = 22,521,707,720.74 - Step 5: Solve for x
x = 22,521,707,720.74/177,923.36 - Step 6: Final answer
x = 126,580.95
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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.