Finding the Fourth Proportional to 372,442.08, 513,969.12 and 202,676.16
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Solution
The fourth proportional to 372,442.08, 513,969.12 and 202,676.16 is: 279,692.58
Step by Step Solution
- Step 1: Write the proportion equation
372,442.08 : 513,969.12 = 202,676.16 : x - Step 2: Convert to fraction form
372,442.08/513,969.12 = 202,676.16/x - Step 3: Cross multiply
372,442.08x = 513,969.12 × 202,676.16 - Step 4: Simplify right side
372,442.08x = 104,169,287,600.18 - Step 5: Solve for x
x = 104,169,287,600.18/372,442.08 - Step 6: Final answer
x = 279,692.58
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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.