Finding the Fourth Proportional to 659,163.12, 909,608.28 and 368,718.60
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Solution
The fourth proportional to 659,163.12, 909,608.28 and 368,718.60 is: 508,811.07
Step by Step Solution
- Step 1: Write the proportion equation
659,163.12 : 909,608.28 = 368,718.60 : x - Step 2: Convert to fraction form
659,163.12/909,608.28 = 368,718.60/x - Step 3: Cross multiply
659,163.12x = 909,608.28 × 368,718.60 - Step 4: Simplify right side
659,163.12x = 335,389,490,535.84 - Step 5: Solve for x
x = 335,389,490,535.84/659,163.12 - Step 6: Final answer
x = 508,811.07
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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.