Finding the Fourth Proportional to 369,642.37, 510,106.12 and 199,876.09
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Solution
The fourth proportional to 369,642.37, 510,106.12 and 199,876.09 is: 275,828.81
Step by Step Solution
- Step 1: Write the proportion equation
369,642.37 : 510,106.12 = 199,876.09 : x - Step 2: Convert to fraction form
369,642.37/510,106.12 = 199,876.09/x - Step 3: Cross multiply
369,642.37x = 510,106.12 × 199,876.09 - Step 4: Simplify right side
369,642.37x = 101,958,016,750.67 - Step 5: Solve for x
x = 101,958,016,750.67/369,642.37 - Step 6: Final answer
x = 275,828.81
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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.