Finding the Fourth Proportional to 338,571.62, 507,923.79 and 125,341.29
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Solution
The fourth proportional to 338,571.62, 507,923.79 and 125,341.29 is: 188,036.50
Step by Step Solution
- Step 1: Write the proportion equation
338,571.62 : 507,923.79 = 125,341.29 : x - Step 2: Convert to fraction form
338,571.62/507,923.79 = 125,341.29/x - Step 3: Cross multiply
338,571.62x = 507,923.79 × 125,341.29 - Step 4: Simplify right side
338,571.62x = 63,663,822,590.26 - Step 5: Solve for x
x = 63,663,822,590.26/338,571.62 - Step 6: Final answer
x = 188,036.50
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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.