Finding the Fourth Proportional to 325,268.24, 487,947.74 and 147,819.92
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Solution
The fourth proportional to 325,268.24, 487,947.74 and 147,819.92 is: 221,750.50
Step by Step Solution
- Step 1: Write the proportion equation
325,268.24 : 487,947.74 = 147,819.92 : x - Step 2: Convert to fraction form
325,268.24/487,947.74 = 147,819.92/x - Step 3: Cross multiply
325,268.24x = 487,947.74 × 147,819.92 - Step 4: Simplify right side
325,268.24x = 72,128,392,712.14 - Step 5: Solve for x
x = 72,128,392,712.14/325,268.24 - Step 6: Final answer
x = 221,750.50
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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.