Finding the Fourth Proportional to 235,655.38, 325,202.97 and 128,225.80
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Solution
The fourth proportional to 235,655.38, 325,202.97 and 128,225.80 is: 176,950.81
Step by Step Solution
- Step 1: Write the proportion equation
235,655.38 : 325,202.97 = 128,225.80 : x - Step 2: Convert to fraction form
235,655.38/325,202.97 = 128,225.80/x - Step 3: Cross multiply
235,655.38x = 325,202.97 × 128,225.80 - Step 4: Simplify right side
235,655.38x = 41,699,410,990.63 - Step 5: Solve for x
x = 41,699,410,990.63/235,655.38 - Step 6: Final answer
x = 176,950.81
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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.