Finding the Fourth Proportional to 341,429.76, 471,129.60 and 190,533.12
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Solution
The fourth proportional to 341,429.76, 471,129.60 and 190,533.12 is: 262,911.45
Step by Step Solution
- Step 1: Write the proportion equation
341,429.76 : 471,129.60 = 190,533.12 : x - Step 2: Convert to fraction form
341,429.76/471,129.60 = 190,533.12/x - Step 3: Cross multiply
341,429.76x = 471,129.60 × 190,533.12 - Step 4: Simplify right side
341,429.76x = 89,765,792,612.35 - Step 5: Solve for x
x = 89,765,792,612.35/341,429.76 - Step 6: Final answer
x = 262,911.45
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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.