Finding the Fourth Proportional to 254,581.76, 351,322.97 and 139,867.79
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Solution
The fourth proportional to 254,581.76, 351,322.97 and 139,867.79 is: 193,017.62
Step by Step Solution
- Step 1: Write the proportion equation
254,581.76 : 351,322.97 = 139,867.79 : x - Step 2: Convert to fraction form
254,581.76/351,322.97 = 139,867.79/x - Step 3: Cross multiply
254,581.76x = 351,322.97 × 139,867.79 - Step 4: Simplify right side
254,581.76x = 49,138,764,934.18 - Step 5: Solve for x
x = 49,138,764,934.18/254,581.76 - Step 6: Final answer
x = 193,017.62
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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.