Finding the Fourth Proportional to 207,513.78, 286,285.87 and 126,801.19
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Solution
The fourth proportional to 207,513.78, 286,285.87 and 126,801.19 is: 174,934.84
Step by Step Solution
- Step 1: Write the proportion equation
207,513.78 : 286,285.87 = 126,801.19 : x - Step 2: Convert to fraction form
207,513.78/286,285.87 = 126,801.19/x - Step 3: Cross multiply
207,513.78x = 286,285.87 × 126,801.19 - Step 4: Simplify right side
207,513.78x = 36,301,388,996.19 - Step 5: Solve for x
x = 36,301,388,996.19/207,513.78 - Step 6: Final answer
x = 174,934.84
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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.