Finding the Fourth Proportional to 180,857.26, 249,586.02 and 100,288.18
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Solution
The fourth proportional to 180,857.26, 249,586.02 and 100,288.18 is: 138,399.35
Step by Step Solution
- Step 1: Write the proportion equation
180,857.26 : 249,586.02 = 100,288.18 : x - Step 2: Convert to fraction form
180,857.26/249,586.02 = 100,288.18/x - Step 3: Cross multiply
180,857.26x = 249,586.02 × 100,288.18 - Step 4: Simplify right side
180,857.26x = 25,030,527,699.24 - Step 5: Solve for x
x = 25,030,527,699.24/180,857.26 - Step 6: Final answer
x = 138,399.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.