Finding the Fourth Proportional to 312,443.14, 468,466.05 and 265,074.55
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Solution
The fourth proportional to 312,443.14, 468,466.05 and 265,074.55 is: 397,443.28
Step by Step Solution
- Step 1: Write the proportion equation
312,443.14 : 468,466.05 = 265,074.55 : x - Step 2: Convert to fraction form
312,443.14/468,466.05 = 265,074.55/x - Step 3: Cross multiply
312,443.14x = 468,466.05 × 265,074.55 - Step 4: Simplify right side
312,443.14x = 124,178,427,394.03 - Step 5: Solve for x
x = 124,178,427,394.03/312,443.14 - Step 6: Final answer
x = 397,443.28
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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.