Finding the Fourth Proportional to 343,364.20, 515,124.60 and 106,730.80
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Solution
The fourth proportional to 343,364.20, 515,124.60 and 106,730.80 is: 160,120.54
Step by Step Solution
- Step 1: Write the proportion equation
343,364.20 : 515,124.60 = 106,730.80 : x - Step 2: Convert to fraction form
343,364.20/515,124.60 = 106,730.80/x - Step 3: Cross multiply
343,364.20x = 515,124.60 × 106,730.80 - Step 4: Simplify right side
343,364.20x = 54,979,660,657.68 - Step 5: Solve for x
x = 54,979,660,657.68/343,364.20 - Step 6: Final answer
x = 160,120.54
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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.