Finding the Fourth Proportional to 312,330.24, 468,515.88 and 125,317.44
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Solution
The fourth proportional to 312,330.24, 468,515.88 and 125,317.44 is: 187,984.39
Step by Step Solution
- Step 1: Write the proportion equation
312,330.24 : 468,515.88 = 125,317.44 : x - Step 2: Convert to fraction form
312,330.24/468,515.88 = 125,317.44/x - Step 3: Cross multiply
312,330.24x = 468,515.88 × 125,317.44 - Step 4: Simplify right side
312,330.24x = 58,713,210,680.95 - Step 5: Solve for x
x = 58,713,210,680.95/312,330.24 - Step 6: Final answer
x = 187,984.39
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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.