Finding the Fourth Proportional to 141,576.05, 212,308.59 and 52,781.12
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Solution
The fourth proportional to 141,576.05, 212,308.59 and 52,781.12 is: 79,150.99
Step by Step Solution
- Step 1: Write the proportion equation
141,576.05 : 212,308.59 = 52,781.12 : x - Step 2: Convert to fraction form
141,576.05/212,308.59 = 52,781.12/x - Step 3: Cross multiply
141,576.05x = 212,308.59 × 52,781.12 - Step 4: Simplify right side
141,576.05x = 11,205,885,098.36 - Step 5: Solve for x
x = 11,205,885,098.36/141,576.05 - Step 6: Final answer
x = 79,150.99
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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.