Finding the Fourth Proportional to 242,299.79, 334,366.26 and 134,867.06
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Solution
The fourth proportional to 242,299.79, 334,366.26 and 134,867.06 is: 186,112.39
Step by Step Solution
- Step 1: Write the proportion equation
242,299.79 : 334,366.26 = 134,867.06 : x - Step 2: Convert to fraction form
242,299.79/334,366.26 = 134,867.06/x - Step 3: Cross multiply
242,299.79x = 334,366.26 × 134,867.06 - Step 4: Simplify right side
242,299.79x = 45,094,992,777.56 - Step 5: Solve for x
x = 45,094,992,777.56/242,299.79 - Step 6: Final answer
x = 186,112.39
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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.