Finding the Fourth Proportional to 454,394.88, 681,841.26 and 170,281.44
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Solution
The fourth proportional to 454,394.88, 681,841.26 and 170,281.44 is: 255,515.45
Step by Step Solution
- Step 1: Write the proportion equation
454,394.88 : 681,841.26 = 170,281.44 : x - Step 2: Convert to fraction form
454,394.88/681,841.26 = 170,281.44/x - Step 3: Cross multiply
454,394.88x = 681,841.26 × 170,281.44 - Step 4: Simplify right side
454,394.88x = 116,104,911,604.21 - Step 5: Solve for x
x = 116,104,911,604.21/454,394.88 - Step 6: Final answer
x = 255,515.45
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1.5x scale
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.