Finding the Fourth Proportional to 352,621.55, 486,617.73 and 201,718.55
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Solution
The fourth proportional to 352,621.55, 486,617.73 and 201,718.55 is: 278,371.59
Step by Step Solution
- Step 1: Write the proportion equation
352,621.55 : 486,617.73 = 201,718.55 : x - Step 2: Convert to fraction form
352,621.55/486,617.73 = 201,718.55/x - Step 3: Cross multiply
352,621.55x = 486,617.73 × 201,718.55 - Step 4: Simplify right side
352,621.55x = 98,159,820,466.80 - Step 5: Solve for x
x = 98,159,820,466.80/352,621.55 - Step 6: Final answer
x = 278,371.59
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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.