Finding the Fourth Proportional to 274,346.96, 378,595.40 and 153,487.84
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Solution
The fourth proportional to 274,346.96, 378,595.40 and 153,487.84 is: 211,811.31
Step by Step Solution
- Step 1: Write the proportion equation
274,346.96 : 378,595.40 = 153,487.84 : x - Step 2: Convert to fraction form
274,346.96/378,595.40 = 153,487.84/x - Step 3: Cross multiply
274,346.96x = 378,595.40 × 153,487.84 - Step 4: Simplify right side
274,346.96x = 58,109,790,179.94 - Step 5: Solve for x
x = 58,109,790,179.94/274,346.96 - Step 6: Final answer
x = 211,811.31
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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.