Finding the Fourth Proportional to 141,396.93, 211,966.22 and 129,070.44
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Solution
The fourth proportional to 141,396.93, 211,966.22 and 129,070.44 is: 193,487.75
Step by Step Solution
- Step 1: Write the proportion equation
141,396.93 : 211,966.22 = 129,070.44 : x - Step 2: Convert to fraction form
141,396.93/211,966.22 = 129,070.44/x - Step 3: Cross multiply
141,396.93x = 211,966.22 × 129,070.44 - Step 4: Simplify right side
141,396.93x = 27,358,573,603.21 - Step 5: Solve for x
x = 27,358,573,603.21/141,396.93 - Step 6: Final answer
x = 193,487.75
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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.