Finding the Fourth Proportional to 121,546.71, 182,339.51 and 51,426.63
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Solution
The fourth proportional to 121,546.71, 182,339.51 and 51,426.63 is: 77,148.17
Step by Step Solution
- Step 1: Write the proportion equation
121,546.71 : 182,339.51 = 51,426.63 : x - Step 2: Convert to fraction form
121,546.71/182,339.51 = 51,426.63/x - Step 3: Cross multiply
121,546.71x = 182,339.51 × 51,426.63 - Step 4: Simplify right side
121,546.71x = 9,377,106,258.02 - Step 5: Solve for x
x = 9,377,106,258.02/121,546.71 - Step 6: Final answer
x = 77,148.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.