Finding the Fourth Proportional to 608,349.21, 912,382.26 and 229,308.09
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Solution
The fourth proportional to 608,349.21, 912,382.26 and 229,308.09 is: 343,908.78
Step by Step Solution
- Step 1: Write the proportion equation
608,349.21 : 912,382.26 = 229,308.09 : x - Step 2: Convert to fraction form
608,349.21/912,382.26 = 229,308.09/x - Step 3: Cross multiply
608,349.21x = 912,382.26 × 229,308.09 - Step 4: Simplify right side
608,349.21x = 209,216,633,390.48 - Step 5: Solve for x
x = 209,216,633,390.48/608,349.21 - Step 6: Final answer
x = 343,908.78
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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.