Finding the Fourth Proportional to 343,445.70, 515,246.85 and 106,812.30
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Solution
The fourth proportional to 343,445.70, 515,246.85 and 106,812.30 is: 160,242.80
Step by Step Solution
- Step 1: Write the proportion equation
343,445.70 : 515,246.85 = 106,812.30 : x - Step 2: Convert to fraction form
343,445.70/515,246.85 = 106,812.30/x - Step 3: Cross multiply
343,445.70x = 515,246.85 × 106,812.30 - Step 4: Simplify right side
343,445.70x = 55,034,701,116.26 - Step 5: Solve for x
x = 55,034,701,116.26/343,445.70 - Step 6: Final answer
x = 160,242.80
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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.