Finding the Fourth Proportional to 300,140.71, 450,211.77 and 122,647.70
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Solution
The fourth proportional to 300,140.71, 450,211.77 and 122,647.70 is: 183,971.84
Step by Step Solution
- Step 1: Write the proportion equation
300,140.71 : 450,211.77 = 122,647.70 : x - Step 2: Convert to fraction form
300,140.71/450,211.77 = 122,647.70/x - Step 3: Cross multiply
300,140.71x = 450,211.77 × 122,647.70 - Step 4: Simplify right side
300,140.71x = 55,217,439,228.96 - Step 5: Solve for x
x = 55,217,439,228.96/300,140.71 - Step 6: Final answer
x = 183,971.84
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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.