Finding the Fourth Proportional to 294,536.19, 441,813.87 and 81,320.09
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Solution
The fourth proportional to 294,536.19, 441,813.87 and 81,320.09 is: 121,982.78
Step by Step Solution
- Step 1: Write the proportion equation
294,536.19 : 441,813.87 = 81,320.09 : x - Step 2: Convert to fraction form
294,536.19/441,813.87 = 81,320.09/x - Step 3: Cross multiply
294,536.19x = 441,813.87 × 81,320.09 - Step 4: Simplify right side
294,536.19x = 35,928,343,671.65 - Step 5: Solve for x
x = 35,928,343,671.65/294,536.19 - Step 6: Final answer
x = 121,982.78
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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.