Finding the Fourth Proportional to 369,284.19, 509,612.36 and 199,518.27
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Solution
The fourth proportional to 369,284.19, 509,612.36 and 199,518.27 is: 275,335.31
Step by Step Solution
- Step 1: Write the proportion equation
369,284.19 : 509,612.36 = 199,518.27 : x - Step 2: Convert to fraction form
369,284.19/509,612.36 = 199,518.27/x - Step 3: Cross multiply
369,284.19x = 509,612.36 × 199,518.27 - Step 4: Simplify right side
369,284.19x = 101,676,975,440.23 - Step 5: Solve for x
x = 101,676,975,440.23/369,284.19 - Step 6: Final answer
x = 275,335.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.