Finding the Fourth Proportional to 528,205.81, 792,021.97 and 239,859.12
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Solution
The fourth proportional to 528,205.81, 792,021.97 and 239,859.12 is: 359,658.47
Step by Step Solution
- Step 1: Write the proportion equation
528,205.81 : 792,021.97 = 239,859.12 : x - Step 2: Convert to fraction form
528,205.81/792,021.97 = 239,859.12/x - Step 3: Cross multiply
528,205.81x = 792,021.97 × 239,859.12 - Step 4: Simplify right side
528,205.81x = 189,973,691,545.57 - Step 5: Solve for x
x = 189,973,691,545.57/528,205.81 - Step 6: Final answer
x = 359,658.47
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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.