Finding the Fourth Proportional to 226,584.99, 312,702.57 and 149,972.09
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Solution
The fourth proportional to 226,584.99, 312,702.57 and 149,972.09 is: 206,971.59
Step by Step Solution
- Step 1: Write the proportion equation
226,584.99 : 312,702.57 = 149,972.09 : x - Step 2: Convert to fraction form
226,584.99/312,702.57 = 149,972.09/x - Step 3: Cross multiply
226,584.99x = 312,702.57 × 149,972.09 - Step 4: Simplify right side
226,584.99x = 46,896,656,407.76 - Step 5: Solve for x
x = 46,896,656,407.76/226,584.99 - Step 6: Final answer
x = 206,971.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.