Finding the Fourth Proportional to 317,518.25, 438,180.84 and 174,291.62
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Solution
The fourth proportional to 317,518.25, 438,180.84 and 174,291.62 is: 240,525.54
Step by Step Solution
- Step 1: Write the proportion equation
317,518.25 : 438,180.84 = 174,291.62 : x - Step 2: Convert to fraction form
317,518.25/438,180.84 = 174,291.62/x - Step 3: Cross multiply
317,518.25x = 438,180.84 × 174,291.62 - Step 4: Simplify right side
317,518.25x = 76,371,246,265.66 - Step 5: Solve for x
x = 76,371,246,265.66/317,518.25 - Step 6: Final answer
x = 240,525.54
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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.