Finding the Fourth Proportional to 305,354.81, 458,035.16 and 115,764.19
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Solution
The fourth proportional to 305,354.81, 458,035.16 and 115,764.19 is: 173,647.39
Step by Step Solution
- Step 1: Write the proportion equation
305,354.81 : 458,035.16 = 115,764.19 : x - Step 2: Convert to fraction form
305,354.81/458,035.16 = 115,764.19/x - Step 3: Cross multiply
305,354.81x = 458,035.16 × 115,764.19 - Step 4: Simplify right side
305,354.81x = 53,024,067,565.01 - Step 5: Solve for x
x = 53,024,067,565.01/305,354.81 - Step 6: Final answer
x = 173,647.39
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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.