Finding the Fourth Proportional to 309,252.05, 463,731.87 and 119,801.15
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Solution
The fourth proportional to 309,252.05, 463,731.87 and 119,801.15 is: 179,645.09
Step by Step Solution
- Step 1: Write the proportion equation
309,252.05 : 463,731.87 = 119,801.15 : x - Step 2: Convert to fraction form
309,252.05/463,731.87 = 119,801.15/x - Step 3: Cross multiply
309,252.05x = 463,731.87 × 119,801.15 - Step 4: Simplify right side
309,252.05x = 55,555,611,317.65 - Step 5: Solve for x
x = 55,555,611,317.65/309,252.05 - Step 6: Final answer
x = 179,645.09
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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.