Finding the Fourth Proportional to 189,075.12, 283,628.52 and 48,836.40
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Solution
The fourth proportional to 189,075.12, 283,628.52 and 48,836.40 is: 73,258.69
Step by Step Solution
- Step 1: Write the proportion equation
189,075.12 : 283,628.52 = 48,836.40 : x - Step 2: Convert to fraction form
189,075.12/283,628.52 = 48,836.40/x - Step 3: Cross multiply
189,075.12x = 283,628.52 × 48,836.40 - Step 4: Simplify right side
189,075.12x = 13,851,395,854.13 - Step 5: Solve for x
x = 13,851,395,854.13/189,075.12 - Step 6: Final answer
x = 73,258.69
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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.