Finding the Fourth Proportional to 276,095.20, 414,142.80 and 201,737.20
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Solution
The fourth proportional to 276,095.20, 414,142.80 and 201,737.20 is: 302,605.80
Step by Step Solution
- Step 1: Write the proportion equation
276,095.20 : 414,142.80 = 201,737.20 : x - Step 2: Convert to fraction form
276,095.20/414,142.80 = 201,737.20/x - Step 3: Cross multiply
276,095.20x = 414,142.80 × 201,737.20 - Step 4: Simplify right side
276,095.20x = 83,548,008,872.16 - Step 5: Solve for x
x = 83,548,008,872.16/276,095.20 - Step 6: Final answer
x = 302,605.80
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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.