Finding the Fourth Proportional to 317,470.22, 438,114.24 and 174,243.59
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Solution
The fourth proportional to 317,470.22, 438,114.24 and 174,243.59 is: 240,459.08
Step by Step Solution
- Step 1: Write the proportion equation
317,470.22 : 438,114.24 = 174,243.59 : x - Step 2: Convert to fraction form
317,470.22/438,114.24 = 174,243.59/x - Step 3: Cross multiply
317,470.22x = 438,114.24 × 174,243.59 - Step 4: Simplify right side
317,470.22x = 76,338,595,817.15 - Step 5: Solve for x
x = 76,338,595,817.15/317,470.22 - Step 6: Final answer
x = 240,459.08
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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.