Finding the Fourth Proportional to 242,944.12, 335,267.94 and 135,518.68
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Solution
The fourth proportional to 242,944.12, 335,267.94 and 135,518.68 is: 187,018.60
Step by Step Solution
- Step 1: Write the proportion equation
242,944.12 : 335,267.94 = 135,518.68 : x - Step 2: Convert to fraction form
242,944.12/335,267.94 = 135,518.68/x - Step 3: Cross multiply
242,944.12x = 335,267.94 × 135,518.68 - Step 4: Simplify right side
242,944.12x = 45,435,068,675.12 - Step 5: Solve for x
x = 45,435,068,675.12/242,944.12 - Step 6: Final answer
x = 187,018.60
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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.