Finding the Fourth Proportional to 239,803.36, 330,946.96 and 132,394.08
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Solution
The fourth proportional to 239,803.36, 330,946.96 and 132,394.08 is: 182,713.95
Step by Step Solution
- Step 1: Write the proportion equation
239,803.36 : 330,946.96 = 132,394.08 : x - Step 2: Convert to fraction form
239,803.36/330,946.96 = 132,394.08/x - Step 3: Cross multiply
239,803.36x = 330,946.96 × 132,394.08 - Step 4: Simplify right side
239,803.36x = 43,815,418,298.00 - Step 5: Solve for x
x = 43,815,418,298.00/239,803.36 - Step 6: Final answer
x = 182,713.95
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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.