Finding the Fourth Proportional to 293,461.80, 440,192.70 and 71,845.80
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Solution
The fourth proportional to 293,461.80, 440,192.70 and 71,845.80 is: 107,768.70
Step by Step Solution
- Step 1: Write the proportion equation
293,461.80 : 440,192.70 = 71,845.80 : x - Step 2: Convert to fraction form
293,461.80/440,192.70 = 71,845.80/x - Step 3: Cross multiply
293,461.80x = 440,192.70 × 71,845.80 - Step 4: Simplify right side
293,461.80x = 31,625,996,685.66 - Step 5: Solve for x
x = 31,625,996,685.66/293,461.80 - Step 6: Final answer
x = 107,768.70
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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.