Finding the Fourth Proportional to 256,595.18, 354,087.07 and 141,867.19
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Solution
The fourth proportional to 256,595.18, 354,087.07 and 141,867.19 is: 195,768.82
Step by Step Solution
- Step 1: Write the proportion equation
256,595.18 : 354,087.07 = 141,867.19 : x - Step 2: Convert to fraction form
256,595.18/354,087.07 = 141,867.19/x - Step 3: Cross multiply
256,595.18x = 354,087.07 × 141,867.19 - Step 4: Simplify right side
256,595.18x = 50,233,336,396.35 - Step 5: Solve for x
x = 50,233,336,396.35/256,595.18 - Step 6: Final answer
x = 195,768.82
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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.