Finding the Fourth Proportional to 145,335.27, 200,570.94 and 96,852.99
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Solution
The fourth proportional to 145,335.27, 200,570.94 and 96,852.99 is: 133,662.64
Step by Step Solution
- Step 1: Write the proportion equation
145,335.27 : 200,570.94 = 96,852.99 : x - Step 2: Convert to fraction form
145,335.27/200,570.94 = 96,852.99/x - Step 3: Cross multiply
145,335.27x = 200,570.94 × 96,852.99 - Step 4: Simplify right side
145,335.27x = 19,425,895,246.11 - Step 5: Solve for x
x = 19,425,895,246.11/145,335.27 - Step 6: Final answer
x = 133,662.64
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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.