Finding the Fourth Proportional to 415,368.06, 624,352.64 and 274,121.02
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Solution
The fourth proportional to 415,368.06, 624,352.64 and 274,121.02 is: 412,039.82
Step by Step Solution
- Step 1: Write the proportion equation
415,368.06 : 624,352.64 = 274,121.02 : x - Step 2: Convert to fraction form
415,368.06/624,352.64 = 274,121.02/x - Step 3: Cross multiply
415,368.06x = 624,352.64 × 274,121.02 - Step 4: Simplify right side
415,368.06x = 171,148,179,394.73 - Step 5: Solve for x
x = 171,148,179,394.73/415,368.06 - Step 6: Final answer
x = 412,039.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.