Finding the Fourth Proportional to 325,454.90, 488,228.72 and 100,832.99
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Solution
The fourth proportional to 325,454.90, 488,228.72 and 100,832.99 is: 151,263.84
Step by Step Solution
- Step 1: Write the proportion equation
325,454.90 : 488,228.72 = 100,832.99 : x - Step 2: Convert to fraction form
325,454.90/488,228.72 = 100,832.99/x - Step 3: Cross multiply
325,454.90x = 488,228.72 × 100,832.99 - Step 4: Simplify right side
325,454.90x = 49,229,558,696.16 - Step 5: Solve for x
x = 49,229,558,696.16/325,454.90 - Step 6: Final answer
x = 151,263.84
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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.