Finding the Fourth Proportional to 412,534.02, 618,801.57 and 113,017.23
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Solution
The fourth proportional to 412,534.02, 618,801.57 and 113,017.23 is: 169,525.99
Step by Step Solution
- Step 1: Write the proportion equation
412,534.02 : 618,801.57 = 113,017.23 : x - Step 2: Convert to fraction form
412,534.02/618,801.57 = 113,017.23/x - Step 3: Cross multiply
412,534.02x = 618,801.57 × 113,017.23 - Step 4: Simplify right side
412,534.02x = 69,935,239,361.05 - Step 5: Solve for x
x = 69,935,239,361.05/412,534.02 - Step 6: Final answer
x = 169,525.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.