Finding the Fourth Proportional to 324,928.64, 447,404.64 and 284,415.68
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Solution
The fourth proportional to 324,928.64, 447,404.64 and 284,415.68 is: 391,621.05
Step by Step Solution
- Step 1: Write the proportion equation
324,928.64 : 447,404.64 = 284,415.68 : x - Step 2: Convert to fraction form
324,928.64/447,404.64 = 284,415.68/x - Step 3: Cross multiply
324,928.64x = 447,404.64 × 284,415.68 - Step 4: Simplify right side
324,928.64x = 127,248,894,920.76 - Step 5: Solve for x
x = 127,248,894,920.76/324,928.64 - Step 6: Final answer
x = 391,621.05
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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.