Finding the Fourth Proportional to 982,238.62, 1,473,212.13 and 272,192.62
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Solution
The fourth proportional to 982,238.62, 1,473,212.13 and 272,192.62 is: 408,248.53
Step by Step Solution
- Step 1: Write the proportion equation
982,238.62 : 1,473,212.13 = 272,192.62 : x - Step 2: Convert to fraction form
982,238.62/1,473,212.13 = 272,192.62/x - Step 3: Cross multiply
982,238.62x = 1,473,212.13 × 272,192.62 - Step 4: Simplify right side
982,238.62x = 400,997,469,480.48 - Step 5: Solve for x
x = 400,997,469,480.48/982,238.62 - Step 6: Final answer
x = 408,248.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.