Finding the Fourth Proportional to 190,676.69, 263,133.12 and 104,637.14
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Solution
The fourth proportional to 190,676.69, 263,133.12 and 104,637.14 is: 144,398.86
Step by Step Solution
- Step 1: Write the proportion equation
190,676.69 : 263,133.12 = 104,637.14 : x - Step 2: Convert to fraction form
190,676.69/263,133.12 = 104,637.14/x - Step 3: Cross multiply
190,676.69x = 263,133.12 × 104,637.14 - Step 4: Simplify right side
190,676.69x = 27,533,497,116.08 - Step 5: Solve for x
x = 27,533,497,116.08/190,676.69 - Step 6: Final answer
x = 144,398.86
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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.