Finding the Fourth Proportional to 235,685.84, 325,243.08 and 129,701.84
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Solution
The fourth proportional to 235,685.84, 325,243.08 and 129,701.84 is: 178,986.68
Step by Step Solution
- Step 1: Write the proportion equation
235,685.84 : 325,243.08 = 129,701.84 : x - Step 2: Convert to fraction form
235,685.84/325,243.08 = 129,701.84/x - Step 3: Cross multiply
235,685.84x = 325,243.08 × 129,701.84 - Step 4: Simplify right side
235,685.84x = 42,184,625,923.27 - Step 5: Solve for x
x = 42,184,625,923.27/235,685.84 - Step 6: Final answer
x = 178,986.68
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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.