Finding the Fourth Proportional to 345,361.56, 476,633.08 and 202,113.08
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Solution
The fourth proportional to 345,361.56, 476,633.08 and 202,113.08 is: 278,936.02
Step by Step Solution
- Step 1: Write the proportion equation
345,361.56 : 476,633.08 = 202,113.08 : x - Step 2: Convert to fraction form
345,361.56/476,633.08 = 202,113.08/x - Step 3: Cross multiply
345,361.56x = 476,633.08 × 202,113.08 - Step 4: Simplify right side
345,361.56x = 96,333,779,828.69 - Step 5: Solve for x
x = 96,333,779,828.69/345,361.56 - Step 6: Final answer
x = 278,936.02
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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.