Finding the Fourth Proportional to 305,368.36, 458,188.86 and 118,394.44
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Solution
The fourth proportional to 305,368.36, 458,188.86 and 118,394.44 is: 177,644.51
Step by Step Solution
- Step 1: Write the proportion equation
305,368.36 : 458,188.86 = 118,394.44 : x - Step 2: Convert to fraction form
305,368.36/458,188.86 = 118,394.44/x - Step 3: Cross multiply
305,368.36x = 458,188.86 × 118,394.44 - Step 4: Simplify right side
305,368.36x = 54,247,013,493.94 - Step 5: Solve for x
x = 54,247,013,493.94/305,368.36 - Step 6: Final answer
x = 177,644.51
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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.