Finding the Fourth Proportional to 282,515.08, 423,830.94 and 82,841.80
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Solution
The fourth proportional to 282,515.08, 423,830.94 and 82,841.80 is: 124,279.80
Step by Step Solution
- Step 1: Write the proportion equation
282,515.08 : 423,830.94 = 82,841.80 : x - Step 2: Convert to fraction form
282,515.08/423,830.94 = 82,841.80/x - Step 3: Cross multiply
282,515.08x = 423,830.94 × 82,841.80 - Step 4: Simplify right side
282,515.08x = 35,110,917,965.29 - Step 5: Solve for x
x = 35,110,917,965.29/282,515.08 - Step 6: Final answer
x = 124,279.80
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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.