Finding the Fourth Proportional to 253,704.11, 380,281.08 and 127,038.99
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Solution
The fourth proportional to 253,704.11, 380,281.08 and 127,038.99 is: 190,420.74
Step by Step Solution
- Step 1: Write the proportion equation
253,704.11 : 380,281.08 = 127,038.99 : x - Step 2: Convert to fraction form
253,704.11/380,281.08 = 127,038.99/x - Step 3: Cross multiply
253,704.11x = 380,281.08 × 127,038.99 - Step 4: Simplify right side
253,704.11x = 48,310,525,745.36 - Step 5: Solve for x
x = 48,310,525,745.36/253,704.11 - Step 6: Final answer
x = 190,420.74
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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.