Finding the Fourth Proportional to 401,775.16, 554,409.36 and 240,626.08
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Solution
The fourth proportional to 401,775.16, 554,409.36 and 240,626.08 is: 332,039.82
Step by Step Solution
- Step 1: Write the proportion equation
401,775.16 : 554,409.36 = 240,626.08 : x - Step 2: Convert to fraction form
401,775.16/554,409.36 = 240,626.08/x - Step 3: Cross multiply
401,775.16x = 554,409.36 × 240,626.08 - Step 4: Simplify right side
401,775.16x = 133,405,351,012.11 - Step 5: Solve for x
x = 133,405,351,012.11/401,775.16 - Step 6: Final answer
x = 332,039.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.