Finding the Fourth Proportional to 180,335.09, 248,869.76 and 99,761.23
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Solution
The fourth proportional to 180,335.09, 248,869.76 and 99,761.23 is: 137,674.56
Step by Step Solution
- Step 1: Write the proportion equation
180,335.09 : 248,869.76 = 99,761.23 : x - Step 2: Convert to fraction form
180,335.09/248,869.76 = 99,761.23/x - Step 3: Cross multiply
180,335.09x = 248,869.76 × 99,761.23 - Step 4: Simplify right side
180,335.09x = 24,827,553,367.40 - Step 5: Solve for x
x = 24,827,553,367.40/180,335.09 - Step 6: Final answer
x = 137,674.56
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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.