Finding the Fourth Proportional to 351,356.36, 484,871.23 and 190,211.36
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Solution
The fourth proportional to 351,356.36, 484,871.23 and 190,211.36 is: 262,491.39
Step by Step Solution
- Step 1: Write the proportion equation
351,356.36 : 484,871.23 = 190,211.36 : x - Step 2: Convert to fraction form
351,356.36/484,871.23 = 190,211.36/x - Step 3: Cross multiply
351,356.36x = 484,871.23 × 190,211.36 - Step 4: Simplify right side
351,356.36x = 92,228,017,185.23 - Step 5: Solve for x
x = 92,228,017,185.23/351,356.36 - Step 6: Final answer
x = 262,491.39
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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.