Finding the Fourth Proportional to 135,031.55, 202,422.09 and 46,263.97
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Solution
The fourth proportional to 135,031.55, 202,422.09 and 46,263.97 is: 69,353.04
Step by Step Solution
- Step 1: Write the proportion equation
135,031.55 : 202,422.09 = 46,263.97 : x - Step 2: Convert to fraction form
135,031.55/202,422.09 = 46,263.97/x - Step 3: Cross multiply
135,031.55x = 202,422.09 × 46,263.97 - Step 4: Simplify right side
135,031.55x = 9,364,848,486.99 - Step 5: Solve for x
x = 9,364,848,486.99/135,031.55 - Step 6: Final answer
x = 69,353.04
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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.