Finding the Fourth Proportional to 238,462.09, 329,095.99 and 136,519.53
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Solution
The fourth proportional to 238,462.09, 329,095.99 and 136,519.53 is: 188,407.43
Step by Step Solution
- Step 1: Write the proportion equation
238,462.09 : 329,095.99 = 136,519.53 : x - Step 2: Convert to fraction form
238,462.09/329,095.99 = 136,519.53/x - Step 3: Cross multiply
238,462.09x = 329,095.99 × 136,519.53 - Step 4: Simplify right side
238,462.09x = 44,928,028,816.22 - Step 5: Solve for x
x = 44,928,028,816.22/238,462.09 - Step 6: Final answer
x = 188,407.43
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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.