Finding the Fourth Proportional to 525,494.97, 788,242.47 and 126,135.75
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Solution
The fourth proportional to 525,494.97, 788,242.47 and 126,135.75 is: 189,203.63
Step by Step Solution
- Step 1: Write the proportion equation
525,494.97 : 788,242.47 = 126,135.75 : x - Step 2: Convert to fraction form
525,494.97/788,242.47 = 126,135.75/x - Step 3: Cross multiply
525,494.97x = 788,242.47 × 126,135.75 - Step 4: Simplify right side
525,494.97x = 99,425,555,135.30 - Step 5: Solve for x
x = 99,425,555,135.30/525,494.97 - Step 6: Final answer
x = 189,203.63
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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.