Finding the Fourth Proportional to 352,442.42, 486,357.49 and 191,294.02
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Solution
The fourth proportional to 352,442.42, 486,357.49 and 191,294.02 is: 263,978.66
Step by Step Solution
- Step 1: Write the proportion equation
352,442.42 : 486,357.49 = 191,294.02 : x - Step 2: Convert to fraction form
352,442.42/486,357.49 = 191,294.02/x - Step 3: Cross multiply
352,442.42x = 486,357.49 × 191,294.02 - Step 4: Simplify right side
352,442.42x = 93,037,279,419.21 - Step 5: Solve for x
x = 93,037,279,419.21/352,442.42 - Step 6: Final answer
x = 263,978.66
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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.