Finding the Fourth Proportional to 235,959.68, 325,624.80 and 140,469.68
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Solution
The fourth proportional to 235,959.68, 325,624.80 and 140,469.68 is: 193,848.42
Step by Step Solution
- Step 1: Write the proportion equation
235,959.68 : 325,624.80 = 140,469.68 : x - Step 2: Convert to fraction form
235,959.68/325,624.80 = 140,469.68/x - Step 3: Cross multiply
235,959.68x = 325,624.80 × 140,469.68 - Step 4: Simplify right side
235,959.68x = 45,740,411,456.06 - Step 5: Solve for x
x = 45,740,411,456.06/235,959.68 - Step 6: Final answer
x = 193,848.42
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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.