Finding the Fourth Proportional to 232,981.09, 349,731.05 and 120,631.14
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Solution
The fourth proportional to 232,981.09, 349,731.05 and 120,631.14 is: 181,081.03
Step by Step Solution
- Step 1: Write the proportion equation
232,981.09 : 349,731.05 = 120,631.14 : x - Step 2: Convert to fraction form
232,981.09/349,731.05 = 120,631.14/x - Step 3: Cross multiply
232,981.09x = 349,731.05 × 120,631.14 - Step 4: Simplify right side
232,981.09x = 42,188,454,651.74 - Step 5: Solve for x
x = 42,188,454,651.74/232,981.09 - Step 6: Final answer
x = 181,081.03
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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.