Finding the Fourth Proportional to 338,203.74, 507,313.80 and 113,571.54
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Solution
The fourth proportional to 338,203.74, 507,313.80 and 113,571.54 is: 170,360.06
Step by Step Solution
- Step 1: Write the proportion equation
338,203.74 : 507,313.80 = 113,571.54 : x - Step 2: Convert to fraction form
338,203.74/507,313.80 = 113,571.54/x - Step 3: Cross multiply
338,203.74x = 507,313.80 × 113,571.54 - Step 4: Simplify right side
338,203.74x = 57,616,409,529.25 - Step 5: Solve for x
x = 57,616,409,529.25/338,203.74 - Step 6: Final answer
x = 170,360.06
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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.