Finding the Fourth Proportional to 207,361.04, 286,246.52 and 139,417.44
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Solution
The fourth proportional to 207,361.04, 286,246.52 and 139,417.44 is: 192,455.42
Step by Step Solution
- Step 1: Write the proportion equation
207,361.04 : 286,246.52 = 139,417.44 : x - Step 2: Convert to fraction form
207,361.04/286,246.52 = 139,417.44/x - Step 3: Cross multiply
207,361.04x = 286,246.52 × 139,417.44 - Step 4: Simplify right side
207,361.04x = 39,907,757,027.31 - Step 5: Solve for x
x = 39,907,757,027.31/207,361.04 - Step 6: Final answer
x = 192,455.42
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1.5x scale
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.