Finding the Fourth Proportional to 445,569.38, 668,393.36 and 125,724.05
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Solution
The fourth proportional to 445,569.38, 668,393.36 and 125,724.05 is: 188,597.16
Step by Step Solution
- Step 1: Write the proportion equation
445,569.38 : 668,393.36 = 125,724.05 : x - Step 2: Convert to fraction form
445,569.38/668,393.36 = 125,724.05/x - Step 3: Cross multiply
445,569.38x = 668,393.36 × 125,724.05 - Step 4: Simplify right side
445,569.38x = 84,033,120,212.31 - Step 5: Solve for x
x = 84,033,120,212.31/445,569.38 - Step 6: Final answer
x = 188,597.16
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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.