Finding the Fourth Proportional to 208,572.06, 310,174.83 and 201,929.07
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Solution
The fourth proportional to 208,572.06, 310,174.83 and 201,929.07 is: 300,295.81
Step by Step Solution
- Step 1: Write the proportion equation
208,572.06 : 310,174.83 = 201,929.07 : x - Step 2: Convert to fraction form
208,572.06/310,174.83 = 201,929.07/x - Step 3: Cross multiply
208,572.06x = 310,174.83 × 201,929.07 - Step 4: Simplify right side
208,572.06x = 62,633,314,959.31 - Step 5: Solve for x
x = 62,633,314,959.31/208,572.06 - Step 6: Final answer
x = 300,295.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.