Finding the Fourth Proportional to 148,887.51, 205,497.17 and 91,576.09
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Solution
The fourth proportional to 148,887.51, 205,497.17 and 91,576.09 is: 126,394.94
Step by Step Solution
- Step 1: Write the proportion equation
148,887.51 : 205,497.17 = 91,576.09 : x - Step 2: Convert to fraction form
148,887.51/205,497.17 = 91,576.09/x - Step 3: Cross multiply
148,887.51x = 205,497.17 × 91,576.09 - Step 4: Simplify right side
148,887.51x = 18,818,627,334.67 - Step 5: Solve for x
x = 18,818,627,334.67/148,887.51 - Step 6: Final answer
x = 126,394.94
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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.