Finding the Fourth Proportional to 170,454.36, 235,652.16 and 127,939.08
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Solution
The fourth proportional to 170,454.36, 235,652.16 and 127,939.08 is: 176,875.03
Step by Step Solution
- Step 1: Write the proportion equation
170,454.36 : 235,652.16 = 127,939.08 : x - Step 2: Convert to fraction form
170,454.36/235,652.16 = 127,939.08/x - Step 3: Cross multiply
170,454.36x = 235,652.16 × 127,939.08 - Step 4: Simplify right side
170,454.36x = 30,149,120,550.41 - Step 5: Solve for x
x = 30,149,120,550.41/170,454.36 - Step 6: Final answer
x = 176,875.03
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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.