Finding the Fourth Proportional to 177,756.96, 266,742.96 and 77,922.84
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Solution
The fourth proportional to 177,756.96, 266,742.96 and 77,922.84 is: 116,931.39
Step by Step Solution
- Step 1: Write the proportion equation
177,756.96 : 266,742.96 = 77,922.84 : x - Step 2: Convert to fraction form
177,756.96/266,742.96 = 77,922.84/x - Step 3: Cross multiply
177,756.96x = 266,742.96 × 77,922.84 - Step 4: Simplify right side
177,756.96x = 20,785,368,993.21 - Step 5: Solve for x
x = 20,785,368,993.21/177,756.96 - Step 6: Final answer
x = 116,931.39
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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.