Finding the Fourth Proportional to 235,637.96, 325,181.84 and 128,208.80
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Solution
The fourth proportional to 235,637.96, 325,181.84 and 128,208.80 is: 176,928.94
Step by Step Solution
- Step 1: Write the proportion equation
235,637.96 : 325,181.84 = 128,208.80 : x - Step 2: Convert to fraction form
235,637.96/325,181.84 = 128,208.80/x - Step 3: Cross multiply
235,637.96x = 325,181.84 × 128,208.80 - Step 4: Simplify right side
235,637.96x = 41,691,173,488.19 - Step 5: Solve for x
x = 41,691,173,488.19/235,637.96 - Step 6: Final answer
x = 176,928.94
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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.