Finding the Fourth Proportional to 239,394.60, 330,349.70 and 131,959.08
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Solution
The fourth proportional to 239,394.60, 330,349.70 and 131,959.08 is: 182,095.35
Step by Step Solution
- Step 1: Write the proportion equation
239,394.60 : 330,349.70 = 131,959.08 : x - Step 2: Convert to fraction form
239,394.60/330,349.70 = 131,959.08/x - Step 3: Cross multiply
239,394.60x = 330,349.70 × 131,959.08 - Step 4: Simplify right side
239,394.60x = 43,592,642,490.28 - Step 5: Solve for x
x = 43,592,642,490.28/239,394.60 - Step 6: Final answer
x = 182,095.35
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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.