Finding the Fourth Proportional to 383,087.26, 528,191.98 and 239,598.19
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Solution
The fourth proportional to 383,087.26, 528,191.98 and 239,598.19 is: 330,352.52
Step by Step Solution
- Step 1: Write the proportion equation
383,087.26 : 528,191.98 = 239,598.19 : x - Step 2: Convert to fraction form
383,087.26/528,191.98 = 239,598.19/x - Step 3: Cross multiply
383,087.26x = 528,191.98 × 239,598.19 - Step 4: Simplify right side
383,087.26x = 126,553,842,380.52 - Step 5: Solve for x
x = 126,553,842,380.52/383,087.26 - Step 6: Final answer
x = 330,352.52
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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.