Finding the Fourth Proportional to 369,467.36, 509,864.67 and 199,701.48
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Solution
The fourth proportional to 369,467.36, 509,864.67 and 199,701.48 is: 275,587.89
Step by Step Solution
- Step 1: Write the proportion equation
369,467.36 : 509,864.67 = 199,701.48 : x - Step 2: Convert to fraction form
369,467.36/509,864.67 = 199,701.48/x - Step 3: Cross multiply
369,467.36x = 509,864.67 × 199,701.48 - Step 4: Simplify right side
369,467.36x = 101,820,729,198.71 - Step 5: Solve for x
x = 101,820,729,198.71/369,467.36 - Step 6: Final answer
x = 275,587.89
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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.