Finding the Fourth Proportional to 169,873.21, 234,426.60 and 93,392.84
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Solution
The fourth proportional to 169,873.21, 234,426.60 and 93,392.84 is: 128,882.99
Step by Step Solution
- Step 1: Write the proportion equation
169,873.21 : 234,426.60 = 93,392.84 : x - Step 2: Convert to fraction form
169,873.21/234,426.60 = 93,392.84/x - Step 3: Cross multiply
169,873.21x = 234,426.60 × 93,392.84 - Step 4: Simplify right side
169,873.21x = 21,893,765,872.29 - Step 5: Solve for x
x = 21,893,765,872.29/169,873.21 - Step 6: Final answer
x = 128,882.99
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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.