Finding the Fourth Proportional to 242,370.36, 334,471.68 and 134,935.20
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Solution
The fourth proportional to 242,370.36, 334,471.68 and 134,935.20 is: 186,210.90
Step by Step Solution
- Step 1: Write the proportion equation
242,370.36 : 334,471.68 = 134,935.20 : x - Step 2: Convert to fraction form
242,370.36/334,471.68 = 134,935.20/x - Step 3: Cross multiply
242,370.36x = 334,471.68 × 134,935.20 - Step 4: Simplify right side
242,370.36x = 45,132,003,035.14 - Step 5: Solve for x
x = 45,132,003,035.14/242,370.36 - Step 6: Final answer
x = 186,210.90
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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.