Finding the Fourth Proportional to 510,491.39, 765,737.04 and 136,504.67
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Solution
The fourth proportional to 510,491.39, 765,737.04 and 136,504.67 is: 204,756.99
Step by Step Solution
- Step 1: Write the proportion equation
510,491.39 : 765,737.04 = 136,504.67 : x - Step 2: Convert to fraction form
510,491.39/765,737.04 = 136,504.67/x - Step 3: Cross multiply
510,491.39x = 765,737.04 × 136,504.67 - Step 4: Simplify right side
510,491.39x = 104,526,681,951.98 - Step 5: Solve for x
x = 104,526,681,951.98/510,491.39 - Step 6: Final answer
x = 204,756.99
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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.