Finding the Fourth Proportional to 296,622.44, 445,003.42 and 86,264.68
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Solution
The fourth proportional to 296,622.44, 445,003.42 and 86,264.68 is: 129,417.31
Step by Step Solution
- Step 1: Write the proportion equation
296,622.44 : 445,003.42 = 86,264.68 : x - Step 2: Convert to fraction form
296,622.44/445,003.42 = 86,264.68/x - Step 3: Cross multiply
296,622.44x = 445,003.42 × 86,264.68 - Step 4: Simplify right side
296,622.44x = 38,388,077,625.21 - Step 5: Solve for x
x = 38,388,077,625.21/296,622.44 - Step 6: Final answer
x = 129,417.31
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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.