Finding the Fourth Proportional to 239,326.76, 330,266.97 and 137,348.04
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Solution
The fourth proportional to 239,326.76, 330,266.97 and 137,348.04 is: 189,538.02
Step by Step Solution
- Step 1: Write the proportion equation
239,326.76 : 330,266.97 = 137,348.04 : x - Step 2: Convert to fraction form
239,326.76/330,266.97 = 137,348.04/x - Step 3: Cross multiply
239,326.76x = 330,266.97 × 137,348.04 - Step 4: Simplify right side
239,326.76x = 45,361,521,006.24 - Step 5: Solve for x
x = 45,361,521,006.24/239,326.76 - Step 6: Final answer
x = 189,538.02
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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.