Finding the Fourth Proportional to 196,145.28, 293,959.68 and 77,752.08
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Solution
The fourth proportional to 196,145.28, 293,959.68 and 77,752.08 is: 116,525.75
Step by Step Solution
- Step 1: Write the proportion equation
196,145.28 : 293,959.68 = 77,752.08 : x - Step 2: Convert to fraction form
196,145.28/293,959.68 = 77,752.08/x - Step 3: Cross multiply
196,145.28x = 293,959.68 × 77,752.08 - Step 4: Simplify right side
196,145.28x = 22,855,976,556.13 - Step 5: Solve for x
x = 22,855,976,556.13/196,145.28 - Step 6: Final answer
x = 116,525.75
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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.