Finding the Fourth Proportional to 196,228.13, 294,386.09 and 71,569.13
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Solution
The fourth proportional to 196,228.13, 294,386.09 and 71,569.13 is: 107,369.70
Step by Step Solution
- Step 1: Write the proportion equation
196,228.13 : 294,386.09 = 71,569.13 : x - Step 2: Convert to fraction form
196,228.13/294,386.09 = 71,569.13/x - Step 3: Cross multiply
196,228.13x = 294,386.09 × 71,569.13 - Step 4: Simplify right side
196,228.13x = 21,068,954,515.63 - Step 5: Solve for x
x = 21,068,954,515.63/196,228.13 - Step 6: Final answer
x = 107,369.70
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1.5x scale
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.