Finding the Fourth Proportional to 180,664.40, 249,351.74 and 104,232.84
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Solution
The fourth proportional to 180,664.40, 249,351.74 and 104,232.84 is: 143,861.44
Step by Step Solution
- Step 1: Write the proportion equation
180,664.40 : 249,351.74 = 104,232.84 : x - Step 2: Convert to fraction form
180,664.40/249,351.74 = 104,232.84/x - Step 3: Cross multiply
180,664.40x = 249,351.74 × 104,232.84 - Step 4: Simplify right side
180,664.40x = 25,990,639,497.98 - Step 5: Solve for x
x = 25,990,639,497.98/180,664.40 - Step 6: Final answer
x = 143,861.44
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1.5x scale
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.