Finding the Fourth Proportional to 450,629.34, 621,849.74 and 246,675.19
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Solution
The fourth proportional to 450,629.34, 621,849.74 and 246,675.19 is: 340,401.50
Step by Step Solution
- Step 1: Write the proportion equation
450,629.34 : 621,849.74 = 246,675.19 : x - Step 2: Convert to fraction form
450,629.34/621,849.74 = 246,675.19/x - Step 3: Cross multiply
450,629.34x = 621,849.74 × 246,675.19 - Step 4: Simplify right side
450,629.34x = 153,394,902,531.47 - Step 5: Solve for x
x = 153,394,902,531.47/450,629.34 - Step 6: Final answer
x = 340,401.50
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1.5x scale
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.