Finding the Fourth Proportional to 270,958.15, 406,689.41 and 137,937.99
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Solution
The fourth proportional to 270,958.15, 406,689.41 and 137,937.99 is: 207,035.37
Step by Step Solution
- Step 1: Write the proportion equation
270,958.15 : 406,689.41 = 137,937.99 : x - Step 2: Convert to fraction form
270,958.15/406,689.41 = 137,937.99/x - Step 3: Cross multiply
270,958.15x = 406,689.41 × 137,937.99 - Step 4: Simplify right side
270,958.15x = 56,097,919,080.00 - Step 5: Solve for x
x = 56,097,919,080.00/270,958.15 - Step 6: Final answer
x = 207,035.37
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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.