Finding the Fourth Proportional to 879,205.20, 1,318,807.80 and 248,110.80
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Solution
The fourth proportional to 879,205.20, 1,318,807.80 and 248,110.80 is: 372,166.20
Step by Step Solution
- Step 1: Write the proportion equation
879,205.20 : 1,318,807.80 = 248,110.80 : x - Step 2: Convert to fraction form
879,205.20/1,318,807.80 = 248,110.80/x - Step 3: Cross multiply
879,205.20x = 1,318,807.80 × 248,110.80 - Step 4: Simplify right side
879,205.20x = 327,210,458,304.24 - Step 5: Solve for x
x = 327,210,458,304.24/879,205.20 - Step 6: Final answer
x = 372,166.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.