Finding the Fourth Proportional to 309,202.05, 463,533.08 and 119,791.65
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Solution
The fourth proportional to 309,202.05, 463,533.08 and 119,791.65 is: 179,582.87
Step by Step Solution
- Step 1: Write the proportion equation
309,202.05 : 463,533.08 = 119,791.65 : x - Step 2: Convert to fraction form
309,202.05/463,533.08 = 119,791.65/x - Step 3: Cross multiply
309,202.05x = 463,533.08 × 119,791.65 - Step 4: Simplify right side
309,202.05x = 55,527,391,883.82 - Step 5: Solve for x
x = 55,527,391,883.82/309,202.05 - Step 6: Final answer
x = 179,582.87
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1.5x scale
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.