Finding the Fourth Proportional to 450,137.40, 675,206.10 and 282,175.80
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Solution
The fourth proportional to 450,137.40, 675,206.10 and 282,175.80 is: 423,263.70
Step by Step Solution
- Step 1: Write the proportion equation
450,137.40 : 675,206.10 = 282,175.80 : x - Step 2: Convert to fraction form
450,137.40/675,206.10 = 282,175.80/x - Step 3: Cross multiply
450,137.40x = 675,206.10 × 282,175.80 - Step 4: Simplify right side
450,137.40x = 190,526,821,432.38 - Step 5: Solve for x
x = 190,526,821,432.38/450,137.40 - Step 6: Final answer
x = 423,263.70
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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.