Finding the Fourth Proportional to 430,558.66, 645,438.63 and 190,544.97
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Solution
The fourth proportional to 430,558.66, 645,438.63 and 190,544.97 is: 285,640.72
Step by Step Solution
- Step 1: Write the proportion equation
430,558.66 : 645,438.63 = 190,544.97 : x - Step 2: Convert to fraction form
430,558.66/645,438.63 = 190,544.97/x - Step 3: Cross multiply
430,558.66x = 645,438.63 × 190,544.97 - Step 4: Simplify right side
430,558.66x = 122,985,086,453.31 - Step 5: Solve for x
x = 122,985,086,453.31/430,558.66 - Step 6: Final answer
x = 285,640.72
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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.