Finding the Fourth Proportional to 325,307.96, 487,981.08 and 125,629.40
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Solution
The fourth proportional to 325,307.96, 487,981.08 and 125,629.40 is: 188,451.49
Step by Step Solution
- Step 1: Write the proportion equation
325,307.96 : 487,981.08 = 125,629.40 : x - Step 2: Convert to fraction form
325,307.96/487,981.08 = 125,629.40/x - Step 3: Cross multiply
325,307.96x = 487,981.08 × 125,629.40 - Step 4: Simplify right side
325,307.96x = 61,304,770,291.75 - Step 5: Solve for x
x = 61,304,770,291.75/325,307.96 - Step 6: Final answer
x = 188,451.49
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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.