Finding the Fourth Proportional to 75,468.44, 113,202.60 and 19,308.64
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Solution
The fourth proportional to 75,468.44, 113,202.60 and 19,308.64 is: 28,962.94
Step by Step Solution
- Step 1: Write the proportion equation
75,468.44 : 113,202.60 = 19,308.64 : x - Step 2: Convert to fraction form
75,468.44/113,202.60 = 19,308.64/x - Step 3: Cross multiply
75,468.44x = 113,202.60 × 19,308.64 - Step 4: Simplify right side
75,468.44x = 2,185,788,250.46 - Step 5: Solve for x
x = 2,185,788,250.46/75,468.44 - Step 6: Final answer
x = 28,962.94
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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.