Finding the Fourth Proportional to 177,939.21, 245,556.10 and 97,366.74
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Solution
The fourth proportional to 177,939.21, 245,556.10 and 97,366.74 is: 134,366.09
Step by Step Solution
- Step 1: Write the proportion equation
177,939.21 : 245,556.10 = 97,366.74 : x - Step 2: Convert to fraction form
177,939.21/245,556.10 = 97,366.74/x - Step 3: Cross multiply
177,939.21x = 245,556.10 × 97,366.74 - Step 4: Simplify right side
177,939.21x = 23,908,995,597.30 - Step 5: Solve for x
x = 23,908,995,597.30/177,939.21 - Step 6: Final answer
x = 134,366.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.