Finding the Fourth Proportional to 357,982.24, 493,906.08 and 235,439.68
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Solution
The fourth proportional to 357,982.24, 493,906.08 and 235,439.68 is: 324,834.80
Step by Step Solution
- Step 1: Write the proportion equation
357,982.24 : 493,906.08 = 235,439.68 : x - Step 2: Convert to fraction form
357,982.24/493,906.08 = 235,439.68/x - Step 3: Cross multiply
357,982.24x = 493,906.08 × 235,439.68 - Step 4: Simplify right side
357,982.24x = 116,285,089,425.25 - Step 5: Solve for x
x = 116,285,089,425.25/357,982.24 - Step 6: Final answer
x = 324,834.80
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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.