Finding the Fourth Proportional to 328,656.28, 492,984.44 and 107,040.28
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Solution
The fourth proportional to 328,656.28, 492,984.44 and 107,040.28 is: 160,560.43
Step by Step Solution
- Step 1: Write the proportion equation
328,656.28 : 492,984.44 = 107,040.28 : x - Step 2: Convert to fraction form
328,656.28/492,984.44 = 107,040.28/x - Step 3: Cross multiply
328,656.28x = 492,984.44 × 107,040.28 - Step 4: Simplify right side
328,656.28x = 52,769,192,493.24 - Step 5: Solve for x
x = 52,769,192,493.24/328,656.28 - Step 6: Final answer
x = 160,560.43
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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.