Finding the Fourth Proportional to 174,310.53, 261,465.81 and 121,822.53
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Solution
The fourth proportional to 174,310.53, 261,465.81 and 121,822.53 is: 182,733.81
Step by Step Solution
- Step 1: Write the proportion equation
174,310.53 : 261,465.81 = 121,822.53 : x - Step 2: Convert to fraction form
174,310.53/261,465.81 = 121,822.53/x - Step 3: Cross multiply
174,310.53x = 261,465.81 × 121,822.53 - Step 4: Simplify right side
174,310.53x = 31,852,426,482.70 - Step 5: Solve for x
x = 31,852,426,482.70/174,310.53 - Step 6: Final answer
x = 182,733.81
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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.