Finding the Fourth Proportional to 323,252.69, 445,653.95 and 226,326.20
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Solution
The fourth proportional to 323,252.69, 445,653.95 and 226,326.20 is: 312,025.75
Step by Step Solution
- Step 1: Write the proportion equation
323,252.69 : 445,653.95 = 226,326.20 : x - Step 2: Convert to fraction form
323,252.69/445,653.95 = 226,326.20/x - Step 3: Cross multiply
323,252.69x = 445,653.95 × 226,326.20 - Step 4: Simplify right side
323,252.69x = 100,863,161,658.59 - Step 5: Solve for x
x = 100,863,161,658.59/323,252.69 - Step 6: Final answer
x = 312,025.75
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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.