Finding the Fourth Proportional to 238,844.15, 329,612.79 and 136,889.14
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Solution
The fourth proportional to 238,844.15, 329,612.79 and 136,889.14 is: 188,911.52
Step by Step Solution
- Step 1: Write the proportion equation
238,844.15 : 329,612.79 = 136,889.14 : x - Step 2: Convert to fraction form
238,844.15/329,612.79 = 136,889.14/x - Step 3: Cross multiply
238,844.15x = 329,612.79 × 136,889.14 - Step 4: Simplify right side
238,844.15x = 45,120,411,356.10 - Step 5: Solve for x
x = 45,120,411,356.10/238,844.15 - Step 6: Final answer
x = 188,911.52
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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.