Finding the Fourth Proportional to 381,349.08, 526,260.30 and 209,269.92
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Solution
The fourth proportional to 381,349.08, 526,260.30 and 209,269.92 is: 288,791.70
Step by Step Solution
- Step 1: Write the proportion equation
381,349.08 : 526,260.30 = 209,269.92 : x - Step 2: Convert to fraction form
381,349.08/526,260.30 = 209,269.92/x - Step 3: Cross multiply
381,349.08x = 526,260.30 × 209,269.92 - Step 4: Simplify right side
381,349.08x = 110,130,450,880.18 - Step 5: Solve for x
x = 110,130,450,880.18/381,349.08 - Step 6: Final answer
x = 288,791.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.