Finding the Fourth Proportional to 135,415.61, 202,934.78 and 112,004.99
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Solution
The fourth proportional to 135,415.61, 202,934.78 and 112,004.99 is: 167,851.46
Step by Step Solution
- Step 1: Write the proportion equation
135,415.61 : 202,934.78 = 112,004.99 : x - Step 2: Convert to fraction form
135,415.61/202,934.78 = 112,004.99/x - Step 3: Cross multiply
135,415.61x = 202,934.78 × 112,004.99 - Step 4: Simplify right side
135,415.61x = 22,729,708,004.55 - Step 5: Solve for x
x = 22,729,708,004.55/135,415.61 - Step 6: Final answer
x = 167,851.46
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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.