Finding the Fourth Proportional to 170,774.84, 235,820.96 and 106,354.68
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Solution
The fourth proportional to 170,774.84, 235,820.96 and 106,354.68 is: 146,863.92
Step by Step Solution
- Step 1: Write the proportion equation
170,774.84 : 235,820.96 = 106,354.68 : x - Step 2: Convert to fraction form
170,774.84/235,820.96 = 106,354.68/x - Step 3: Cross multiply
170,774.84x = 235,820.96 × 106,354.68 - Step 4: Simplify right side
170,774.84x = 25,080,662,738.09 - Step 5: Solve for x
x = 25,080,662,738.09/170,774.84 - Step 6: Final answer
x = 146,863.92
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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.