Finding the Fourth Proportional to 389,504.73, 584,332.86 and 149,601.09
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Solution
The fourth proportional to 389,504.73, 584,332.86 and 149,601.09 is: 224,430.73
Step by Step Solution
- Step 1: Write the proportion equation
389,504.73 : 584,332.86 = 149,601.09 : x - Step 2: Convert to fraction form
389,504.73/584,332.86 = 149,601.09/x - Step 3: Cross multiply
389,504.73x = 584,332.86 × 149,601.09 - Step 4: Simplify right side
389,504.73x = 87,416,832,778.82 - Step 5: Solve for x
x = 87,416,832,778.82/389,504.73 - Step 6: Final answer
x = 224,430.73
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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.