Finding the Fourth Proportional to 325,048.23, 487,252.44 and 189,940.83
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Solution
The fourth proportional to 325,048.23, 487,252.44 and 189,940.83 is: 284,724.31
Step by Step Solution
- Step 1: Write the proportion equation
325,048.23 : 487,252.44 = 189,940.83 : x - Step 2: Convert to fraction form
325,048.23/487,252.44 = 189,940.83/x - Step 3: Cross multiply
325,048.23x = 487,252.44 × 189,940.83 - Step 4: Simplify right side
325,048.23x = 92,549,132,873.13 - Step 5: Solve for x
x = 92,549,132,873.13/325,048.23 - Step 6: Final answer
x = 284,724.31
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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.