Finding the Fourth Proportional to 140,075.99, 210,113.81 and 51,336.44
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Solution
The fourth proportional to 140,075.99, 210,113.81 and 51,336.44 is: 77,004.60
Step by Step Solution
- Step 1: Write the proportion equation
140,075.99 : 210,113.81 = 51,336.44 : x - Step 2: Convert to fraction form
140,075.99/210,113.81 = 51,336.44/x - Step 3: Cross multiply
140,075.99x = 210,113.81 × 51,336.44 - Step 4: Simplify right side
140,075.99x = 10,786,495,000.24 - Step 5: Solve for x
x = 10,786,495,000.24/140,075.99 - Step 6: Final answer
x = 77,004.60
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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.