Finding the Fourth Proportional to 230,299.20, 317,268.36 and 219,669.84
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Solution
The fourth proportional to 230,299.20, 317,268.36 and 219,669.84 is: 302,624.98
Step by Step Solution
- Step 1: Write the proportion equation
230,299.20 : 317,268.36 = 219,669.84 : x - Step 2: Convert to fraction form
230,299.20/317,268.36 = 219,669.84/x - Step 3: Cross multiply
230,299.20x = 317,268.36 × 219,669.84 - Step 4: Simplify right side
230,299.20x = 69,694,289,878.26 - Step 5: Solve for x
x = 69,694,289,878.26/230,299.20 - Step 6: Final answer
x = 302,624.98
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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.