Finding the Fourth Proportional to 239,543.21, 359,314.97 and 134,435.99
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Solution
The fourth proportional to 239,543.21, 359,314.97 and 134,435.99 is: 201,654.07
Step by Step Solution
- Step 1: Write the proportion equation
239,543.21 : 359,314.97 = 134,435.99 : x - Step 2: Convert to fraction form
239,543.21/359,314.97 = 134,435.99/x - Step 3: Cross multiply
239,543.21x = 359,314.97 × 134,435.99 - Step 4: Simplify right side
239,543.21x = 48,304,864,444.01 - Step 5: Solve for x
x = 48,304,864,444.01/239,543.21 - Step 6: Final answer
x = 201,654.07
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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.