Finding the Fourth Proportional to 271,206.28, 406,756.52 and 199,461.74
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Solution
The fourth proportional to 271,206.28, 406,756.52 and 199,461.74 is: 299,153.70
Step by Step Solution
- Step 1: Write the proportion equation
271,206.28 : 406,756.52 = 199,461.74 : x - Step 2: Convert to fraction form
271,206.28/406,756.52 = 199,461.74/x - Step 3: Cross multiply
271,206.28x = 406,756.52 × 199,461.74 - Step 4: Simplify right side
271,206.28x = 81,132,363,235.54 - Step 5: Solve for x
x = 81,132,363,235.54/271,206.28 - Step 6: Final answer
x = 299,153.70
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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.