Finding the Fourth Proportional to 304,558.02, 420,284.98 and 168,589.09
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Solution
The fourth proportional to 304,558.02, 420,284.98 and 168,589.09 is: 232,650.12
Step by Step Solution
- Step 1: Write the proportion equation
304,558.02 : 420,284.98 = 168,589.09 : x - Step 2: Convert to fraction form
304,558.02/420,284.98 = 168,589.09/x - Step 3: Cross multiply
304,558.02x = 420,284.98 × 168,589.09 - Step 4: Simplify right side
304,558.02x = 70,855,460,846.68 - Step 5: Solve for x
x = 70,855,460,846.68/304,558.02 - Step 6: Final answer
x = 232,650.12
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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.