Finding the Fourth Proportional to 213,866.92, 295,210.13 and 123,259.08
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Solution
The fourth proportional to 213,866.92, 295,210.13 and 123,259.08 is: 170,140.05
Step by Step Solution
- Step 1: Write the proportion equation
213,866.92 : 295,210.13 = 123,259.08 : x - Step 2: Convert to fraction form
213,866.92/295,210.13 = 123,259.08/x - Step 3: Cross multiply
213,866.92x = 295,210.13 × 123,259.08 - Step 4: Simplify right side
213,866.92x = 36,387,328,414.19 - Step 5: Solve for x
x = 36,387,328,414.19/213,866.92 - Step 6: Final answer
x = 170,140.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.