Finding the Fourth Proportional to 399,042.56, 598,246.68 and 230,372.12
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Solution
The fourth proportional to 399,042.56, 598,246.68 and 230,372.12 is: 345,375.08
Step by Step Solution
- Step 1: Write the proportion equation
399,042.56 : 598,246.68 = 230,372.12 : x - Step 2: Convert to fraction form
399,042.56/598,246.68 = 230,372.12/x - Step 3: Cross multiply
399,042.56x = 598,246.68 × 230,372.12 - Step 4: Simplify right side
399,042.56x = 137,819,355,954.56 - Step 5: Solve for x
x = 137,819,355,954.56/399,042.56 - Step 6: Final answer
x = 345,375.08
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1.5x scale
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.