Finding the Fourth Proportional to 190,803.45, 263,356.49 and 110,281.53
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Solution
The fourth proportional to 190,803.45, 263,356.49 and 110,281.53 is: 152,216.09
Step by Step Solution
- Step 1: Write the proportion equation
190,803.45 : 263,356.49 = 110,281.53 : x - Step 2: Convert to fraction form
190,803.45/263,356.49 = 110,281.53/x - Step 3: Cross multiply
190,803.45x = 263,356.49 × 110,281.53 - Step 4: Simplify right side
190,803.45x = 29,043,355,383.68 - Step 5: Solve for x
x = 29,043,355,383.68/190,803.45 - Step 6: Final answer
x = 152,216.09
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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.