Finding the Fourth Proportional to 149,237.14, 205,936.86 and 84,707.70
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Solution
The fourth proportional to 149,237.14, 205,936.86 and 84,707.70 is: 116,890.73
Step by Step Solution
- Step 1: Write the proportion equation
149,237.14 : 205,936.86 = 84,707.70 : x - Step 2: Convert to fraction form
149,237.14/205,936.86 = 84,707.70/x - Step 3: Cross multiply
149,237.14x = 205,936.86 × 84,707.70 - Step 4: Simplify right side
149,237.14x = 17,444,437,755.82 - Step 5: Solve for x
x = 17,444,437,755.82/149,237.14 - Step 6: Final answer
x = 116,890.73
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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.