Finding the Fourth Proportional to 293,878.48, 440,571.96 and 136,220.08
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Solution
The fourth proportional to 293,878.48, 440,571.96 and 136,220.08 is: 204,216.20
Step by Step Solution
- Step 1: Write the proportion equation
293,878.48 : 440,571.96 = 136,220.08 : x - Step 2: Convert to fraction form
293,878.48/440,571.96 = 136,220.08/x - Step 3: Cross multiply
293,878.48x = 440,571.96 × 136,220.08 - Step 4: Simplify right side
293,878.48x = 60,014,747,636.96 - Step 5: Solve for x
x = 60,014,747,636.96/293,878.48 - Step 6: Final answer
x = 204,216.20
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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.