Finding the Fourth Proportional to 294,137.14, 441,279.30 and 83,775.09
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Solution
The fourth proportional to 294,137.14, 441,279.30 and 83,775.09 is: 125,683.59
Step by Step Solution
- Step 1: Write the proportion equation
294,137.14 : 441,279.30 = 83,775.09 : x - Step 2: Convert to fraction form
294,137.14/441,279.30 = 83,775.09/x - Step 3: Cross multiply
294,137.14x = 441,279.30 × 83,775.09 - Step 4: Simplify right side
294,137.14x = 36,968,213,072.64 - Step 5: Solve for x
x = 36,968,213,072.64/294,137.14 - Step 6: Final answer
x = 125,683.59
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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.