Finding the Fourth Proportional to 369,343.58, 509,679.36 and 208,232.33
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Solution
The fourth proportional to 369,343.58, 509,679.36 and 208,232.33 is: 287,352.28
Step by Step Solution
- Step 1: Write the proportion equation
369,343.58 : 509,679.36 = 208,232.33 : x - Step 2: Convert to fraction form
369,343.58/509,679.36 = 208,232.33/x - Step 3: Cross multiply
369,343.58x = 509,679.36 × 208,232.33 - Step 4: Simplify right side
369,343.58x = 106,131,718,137.31 - Step 5: Solve for x
x = 106,131,718,137.31/369,343.58 - Step 6: Final answer
x = 287,352.28
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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.