Finding the Fourth Proportional to 335,821.95, 463,410.81 and 190,630.67
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Solution
The fourth proportional to 335,821.95, 463,410.81 and 190,630.67 is: 263,056.99
Step by Step Solution
- Step 1: Write the proportion equation
335,821.95 : 463,410.81 = 190,630.67 : x - Step 2: Convert to fraction form
335,821.95/463,410.81 = 190,630.67/x - Step 3: Cross multiply
335,821.95x = 463,410.81 × 190,630.67 - Step 4: Simplify right side
335,821.95x = 88,340,310,878.49 - Step 5: Solve for x
x = 88,340,310,878.49/335,821.95 - Step 6: Final answer
x = 263,056.99
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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.