Finding the Fourth Proportional to 311,566.68, 467,162.87 and 121,801.03
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Solution
The fourth proportional to 311,566.68, 467,162.87 and 121,801.03 is: 182,628.38
Step by Step Solution
- Step 1: Write the proportion equation
311,566.68 : 467,162.87 = 121,801.03 : x - Step 2: Convert to fraction form
311,566.68/467,162.87 = 121,801.03/x - Step 3: Cross multiply
311,566.68x = 467,162.87 × 121,801.03 - Step 4: Simplify right side
311,566.68x = 56,900,916,966.84 - Step 5: Solve for x
x = 56,900,916,966.84/311,566.68 - Step 6: Final answer
x = 182,628.38
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1.5x scale
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.