Finding the Fourth Proportional to 122,552.19, 183,789.41 and 39,426.75
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Solution
The fourth proportional to 122,552.19, 183,789.41 and 39,426.75 is: 59,127.62
Step by Step Solution
- Step 1: Write the proportion equation
122,552.19 : 183,789.41 = 39,426.75 : x - Step 2: Convert to fraction form
122,552.19/183,789.41 = 39,426.75/x - Step 3: Cross multiply
122,552.19x = 183,789.41 × 39,426.75 - Step 4: Simplify right side
122,552.19x = 7,246,218,923.58 - Step 5: Solve for x
x = 7,246,218,923.58/122,552.19 - Step 6: Final answer
x = 59,127.62
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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.