Finding the Fourth Proportional to 185,463.18, 278,104.05 and 129,330.18
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Solution
The fourth proportional to 185,463.18, 278,104.05 and 129,330.18 is: 193,932.01
Step by Step Solution
- Step 1: Write the proportion equation
185,463.18 : 278,104.05 = 129,330.18 : x - Step 2: Convert to fraction form
185,463.18/278,104.05 = 129,330.18/x - Step 3: Cross multiply
185,463.18x = 278,104.05 × 129,330.18 - Step 4: Simplify right side
185,463.18x = 35,967,246,845.23 - Step 5: Solve for x
x = 35,967,246,845.23/185,463.18 - Step 6: Final answer
x = 193,932.01
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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.