Finding the Fourth Proportional to 352,342.58, 486,233.09 and 201,442.74
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Solution
The fourth proportional to 352,342.58, 486,233.09 and 201,442.74 is: 277,991.17
Step by Step Solution
- Step 1: Write the proportion equation
352,342.58 : 486,233.09 = 201,442.74 : x - Step 2: Convert to fraction form
352,342.58/486,233.09 = 201,442.74/x - Step 3: Cross multiply
352,342.58x = 486,233.09 × 201,442.74 - Step 4: Simplify right side
352,342.58x = 97,948,125,928.27 - Step 5: Solve for x
x = 97,948,125,928.27/352,342.58 - Step 6: Final answer
x = 277,991.17
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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.