Finding the Fourth Proportional to 238,889.68, 329,660.80 and 131,459.68
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Solution
The fourth proportional to 238,889.68, 329,660.80 and 131,459.68 is: 181,410.53
Step by Step Solution
- Step 1: Write the proportion equation
238,889.68 : 329,660.80 = 131,459.68 : x - Step 2: Convert to fraction form
238,889.68/329,660.80 = 131,459.68/x - Step 3: Cross multiply
238,889.68x = 329,660.80 × 131,459.68 - Step 4: Simplify right side
238,889.68x = 43,337,103,276.54 - Step 5: Solve for x
x = 43,337,103,276.54/238,889.68 - Step 6: Final answer
x = 181,410.53
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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.