Finding the Fourth Proportional to 238,712.73, 329,416.99 and 131,282.75
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Solution
The fourth proportional to 238,712.73, 329,416.99 and 131,282.75 is: 181,166.58
Step by Step Solution
- Step 1: Write the proportion equation
238,712.73 : 329,416.99 = 131,282.75 : x - Step 2: Convert to fraction form
238,712.73/329,416.99 = 131,282.75/x - Step 3: Cross multiply
238,712.73x = 329,416.99 × 131,282.75 - Step 4: Simplify right side
238,712.73x = 43,246,768,343.92 - Step 5: Solve for x
x = 43,246,768,343.92/238,712.73 - Step 6: Final answer
x = 181,166.58
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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.