Finding the Fourth Proportional to 225,305.84, 336,344.50 and 209,559.44
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Solution
The fourth proportional to 225,305.84, 336,344.50 and 209,559.44 is: 312,837.72
Step by Step Solution
- Step 1: Write the proportion equation
225,305.84 : 336,344.50 = 209,559.44 : x - Step 2: Convert to fraction form
225,305.84/336,344.50 = 209,559.44/x - Step 3: Cross multiply
225,305.84x = 336,344.50 × 209,559.44 - Step 4: Simplify right side
225,305.84x = 70,484,165,067.08 - Step 5: Solve for x
x = 70,484,165,067.08/225,305.84 - Step 6: Final answer
x = 312,837.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.