Finding the Fourth Proportional to 238,737.96, 329,467.78 and 131,317.99
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Solution
The fourth proportional to 238,737.96, 329,467.78 and 131,317.99 is: 181,223.99
Step by Step Solution
- Step 1: Write the proportion equation
238,737.96 : 329,467.78 = 131,317.99 : x - Step 2: Convert to fraction form
238,737.96/329,467.78 = 131,317.99/x - Step 3: Cross multiply
238,737.96x = 329,467.78 × 131,317.99 - Step 4: Simplify right side
238,737.96x = 43,265,046,639.36 - Step 5: Solve for x
x = 43,265,046,639.36/238,737.96 - Step 6: Final answer
x = 181,223.99
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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.