Finding the Fourth Proportional to 245,685.14, 367,937.16 and 140,184.26
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Solution
The fourth proportional to 245,685.14, 367,937.16 and 140,184.26 is: 209,939.43
Step by Step Solution
- Step 1: Write the proportion equation
245,685.14 : 367,937.16 = 140,184.26 : x - Step 2: Convert to fraction form
245,685.14/367,937.16 = 140,184.26/x - Step 3: Cross multiply
245,685.14x = 367,937.16 × 140,184.26 - Step 4: Simplify right side
245,685.14x = 51,578,998,501.10 - Step 5: Solve for x
x = 51,578,998,501.10/245,685.14 - Step 6: Final answer
x = 209,939.43
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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.