Finding the Fourth Proportional to 204,630.86, 282,395.50 and 113,988.26
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Solution
The fourth proportional to 204,630.86, 282,395.50 and 113,988.26 is: 157,306.54
Step by Step Solution
- Step 1: Write the proportion equation
204,630.86 : 282,395.50 = 113,988.26 : x - Step 2: Convert to fraction form
204,630.86/282,395.50 = 113,988.26/x - Step 3: Cross multiply
204,630.86x = 282,395.50 × 113,988.26 - Step 4: Simplify right side
204,630.86x = 32,189,772,097.85 - Step 5: Solve for x
x = 32,189,772,097.85/204,630.86 - Step 6: Final answer
x = 157,306.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.