Finding the Fourth Proportional to 239,808.02, 330,935.86 and 132,377.80
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Solution
The fourth proportional to 239,808.02, 330,935.86 and 132,377.80 is: 182,681.80
Step by Step Solution
- Step 1: Write the proportion equation
239,808.02 : 330,935.86 = 132,377.80 : x - Step 2: Convert to fraction form
239,808.02/330,935.86 = 132,377.80/x - Step 3: Cross multiply
239,808.02x = 330,935.86 × 132,377.80 - Step 4: Simplify right side
239,808.02x = 43,808,560,115.79 - Step 5: Solve for x
x = 43,808,560,115.79/239,808.02 - Step 6: Final answer
x = 182,681.80
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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.