Finding the Fourth Proportional to 352,646.70, 486,652.41 and 201,743.70
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Solution
The fourth proportional to 352,646.70, 486,652.41 and 201,743.70 is: 278,406.29
Step by Step Solution
- Step 1: Write the proportion equation
352,646.70 : 486,652.41 = 201,743.70 : x - Step 2: Convert to fraction form
352,646.70/486,652.41 = 201,743.70/x - Step 3: Cross multiply
352,646.70x = 486,652.41 × 201,743.70 - Step 4: Simplify right side
352,646.70x = 98,179,057,807.32 - Step 5: Solve for x
x = 98,179,057,807.32/352,646.70 - Step 6: Final answer
x = 278,406.29
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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.