Finding the Fourth Proportional to 235,666.08, 325,213.88 and 128,236.41
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Solution
The fourth proportional to 235,666.08, 325,213.88 and 128,236.41 is: 176,963.35
Step by Step Solution
- Step 1: Write the proportion equation
235,666.08 : 325,213.88 = 128,236.41 : x - Step 2: Convert to fraction form
235,666.08/325,213.88 = 128,236.41/x - Step 3: Cross multiply
235,666.08x = 325,213.88 × 128,236.41 - Step 4: Simplify right side
235,666.08x = 41,704,259,812.19 - Step 5: Solve for x
x = 41,704,259,812.19/235,666.08 - Step 6: Final answer
x = 176,963.35
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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.