Finding the Fourth Proportional to 235,609.58, 325,133.82 and 128,176.88
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Solution
The fourth proportional to 235,609.58, 325,133.82 and 128,176.88 is: 176,880.07
Step by Step Solution
- Step 1: Write the proportion equation
235,609.58 : 325,133.82 = 128,176.88 : x - Step 2: Convert to fraction form
235,609.58/325,133.82 = 128,176.88/x - Step 3: Cross multiply
235,609.58x = 325,133.82 × 128,176.88 - Step 4: Simplify right side
235,609.58x = 41,674,638,630.08 - Step 5: Solve for x
x = 41,674,638,630.08/235,609.58 - Step 6: Final answer
x = 176,880.07
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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.