Finding the Fourth Proportional to 75,464.50, 113,200.62 and 19,305.09
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Solution
The fourth proportional to 75,464.50, 113,200.62 and 19,305.09 is: 28,958.63
Step by Step Solution
- Step 1: Write the proportion equation
75,464.50 : 113,200.62 = 19,305.09 : x - Step 2: Convert to fraction form
75,464.50/113,200.62 = 19,305.09/x - Step 3: Cross multiply
75,464.50x = 113,200.62 × 19,305.09 - Step 4: Simplify right side
75,464.50x = 2,185,348,488.42 - Step 5: Solve for x
x = 2,185,348,488.42/75,464.50 - Step 6: Final answer
x = 28,958.63
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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.