Finding the Fourth Proportional to 97,284.60, 145,926.90 and 27,163.80
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Solution
The fourth proportional to 97,284.60, 145,926.90 and 27,163.80 is: 40,745.70
Step by Step Solution
- Step 1: Write the proportion equation
97,284.60 : 145,926.90 = 27,163.80 : x - Step 2: Convert to fraction form
97,284.60/145,926.90 = 27,163.80/x - Step 3: Cross multiply
97,284.60x = 145,926.90 × 27,163.80 - Step 4: Simplify right side
97,284.60x = 3,963,929,126.22 - Step 5: Solve for x
x = 3,963,929,126.22/97,284.60 - Step 6: Final answer
x = 40,745.70
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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.