Finding the Fourth Proportional to 325,207.84, 487,828.08 and 103,609.12
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Solution
The fourth proportional to 325,207.84, 487,828.08 and 103,609.12 is: 155,418.88
Step by Step Solution
- Step 1: Write the proportion equation
325,207.84 : 487,828.08 = 103,609.12 : x - Step 2: Convert to fraction form
325,207.84/487,828.08 = 103,609.12/x - Step 3: Cross multiply
325,207.84x = 487,828.08 × 103,609.12 - Step 4: Simplify right side
325,207.84x = 50,543,438,080.09 - Step 5: Solve for x
x = 50,543,438,080.09/325,207.84 - Step 6: Final answer
x = 155,418.88
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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.