Finding the Fourth Proportional to 141,488.11, 212,239.73 and 36,307.99
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Solution
The fourth proportional to 141,488.11, 212,239.73 and 36,307.99 is: 54,463.93
Step by Step Solution
- Step 1: Write the proportion equation
141,488.11 : 212,239.73 = 36,307.99 : x - Step 2: Convert to fraction form
141,488.11/212,239.73 = 36,307.99/x - Step 3: Cross multiply
141,488.11x = 212,239.73 × 36,307.99 - Step 4: Simplify right side
141,488.11x = 7,705,997,994.44 - Step 5: Solve for x
x = 7,705,997,994.44/141,488.11 - Step 6: Final answer
x = 54,463.93
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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.