Finding the Fourth Proportional to 525,258.96, 788,134.49 and 258,874.26
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Solution
The fourth proportional to 525,258.96, 788,134.49 and 258,874.26 is: 388,432.65
Step by Step Solution
- Step 1: Write the proportion equation
525,258.96 : 788,134.49 = 258,874.26 : x - Step 2: Convert to fraction form
525,258.96/788,134.49 = 258,874.26/x - Step 3: Cross multiply
525,258.96x = 788,134.49 × 258,874.26 - Step 4: Simplify right side
525,258.96x = 204,027,731,584.86 - Step 5: Solve for x
x = 204,027,731,584.86/525,258.96 - Step 6: Final answer
x = 388,432.65
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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.