Finding the Fourth Proportional to 270,291.60, 405,639.36 and 101,977.92
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Solution
The fourth proportional to 270,291.60, 405,639.36 and 101,977.92 is: 153,043.08
Step by Step Solution
- Step 1: Write the proportion equation
270,291.60 : 405,639.36 = 101,977.92 : x - Step 2: Convert to fraction form
270,291.60/405,639.36 = 101,977.92/x - Step 3: Cross multiply
270,291.60x = 405,639.36 × 101,977.92 - Step 4: Simplify right side
270,291.60x = 41,366,258,202.93 - Step 5: Solve for x
x = 41,366,258,202.93/270,291.60 - Step 6: Final answer
x = 153,043.08
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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.