Finding the Fourth Proportional to 313,325.44, 469,971.60 and 193,405.12
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Solution
The fourth proportional to 313,325.44, 469,971.60 and 193,405.12 is: 290,097.46
Step by Step Solution
- Step 1: Write the proportion equation
313,325.44 : 469,971.60 = 193,405.12 : x - Step 2: Convert to fraction form
313,325.44/469,971.60 = 193,405.12/x - Step 3: Cross multiply
313,325.44x = 469,971.60 × 193,405.12 - Step 4: Simplify right side
313,325.44x = 90,894,913,694.59 - Step 5: Solve for x
x = 90,894,913,694.59/313,325.44 - Step 6: Final answer
x = 290,097.46
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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.