Finding the Fourth Proportional to 879,140.21, 1,318,817.10 and 248,054.09
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Solution
The fourth proportional to 879,140.21, 1,318,817.10 and 248,054.09 is: 372,111.26
Step by Step Solution
- Step 1: Write the proportion equation
879,140.21 : 1,318,817.10 = 248,054.09 : x - Step 2: Convert to fraction form
879,140.21/1,318,817.10 = 248,054.09/x - Step 3: Cross multiply
879,140.21x = 1,318,817.10 × 248,054.09 - Step 4: Simplify right side
879,140.21x = 327,137,975,616.94 - Step 5: Solve for x
x = 327,137,975,616.94/879,140.21 - Step 6: Final answer
x = 372,111.26
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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.