Finding the Fourth Proportional to 185,513.80, 278,270.70 and 92,201.80
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Solution
The fourth proportional to 185,513.80, 278,270.70 and 92,201.80 is: 138,302.70
Step by Step Solution
- Step 1: Write the proportion equation
185,513.80 : 278,270.70 = 92,201.80 : x - Step 2: Convert to fraction form
185,513.80/278,270.70 = 92,201.80/x - Step 3: Cross multiply
185,513.80x = 278,270.70 × 92,201.80 - Step 4: Simplify right side
185,513.80x = 25,657,059,427.26 - Step 5: Solve for x
x = 25,657,059,427.26/185,513.80 - Step 6: Final answer
x = 138,302.70
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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.