Finding the Fourth Proportional to 270,957.77, 406,688.84 and 137,937.62
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Solution
The fourth proportional to 270,957.77, 406,688.84 and 137,937.62 is: 207,034.80
Step by Step Solution
- Step 1: Write the proportion equation
270,957.77 : 406,688.84 = 137,937.62 : x - Step 2: Convert to fraction form
270,957.77/406,688.84 = 137,937.62/x - Step 3: Cross multiply
270,957.77x = 406,688.84 × 137,937.62 - Step 4: Simplify right side
270,957.77x = 56,097,688,981.56 - Step 5: Solve for x
x = 56,097,688,981.56/270,957.77 - Step 6: Final answer
x = 207,034.80
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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.