Finding the Fourth Proportional to 312,342.62, 468,534.44 and 125,329.82
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Solution
The fourth proportional to 312,342.62, 468,534.44 and 125,329.82 is: 188,002.96
Step by Step Solution
- Step 1: Write the proportion equation
312,342.62 : 468,534.44 = 125,329.82 : x - Step 2: Convert to fraction form
312,342.62/468,534.44 = 125,329.82/x - Step 3: Cross multiply
312,342.62x = 468,534.44 × 125,329.82 - Step 4: Simplify right side
312,342.62x = 58,721,334,999.65 - Step 5: Solve for x
x = 58,721,334,999.65/312,342.62 - Step 6: Final answer
x = 188,002.96
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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.