Finding the Fourth Proportional to 242,535.69, 334,709.34 and 135,105.70
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Solution
The fourth proportional to 242,535.69, 334,709.34 and 135,105.70 is: 186,451.48
Step by Step Solution
- Step 1: Write the proportion equation
242,535.69 : 334,709.34 = 135,105.70 : x - Step 2: Convert to fraction form
242,535.69/334,709.34 = 135,105.70/x - Step 3: Cross multiply
242,535.69x = 334,709.34 × 135,105.70 - Step 4: Simplify right side
242,535.69x = 45,221,139,347.11 - Step 5: Solve for x
x = 45,221,139,347.11/242,535.69 - Step 6: Final answer
x = 186,451.48
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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.