Finding the Fourth Proportional to 282,572.01, 389,655.99 and 196,628.31
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Solution
The fourth proportional to 282,572.01, 389,655.99 and 196,628.31 is: 271,142.92
Step by Step Solution
- Step 1: Write the proportion equation
282,572.01 : 389,655.99 = 196,628.31 : x - Step 2: Convert to fraction form
282,572.01/389,655.99 = 196,628.31/x - Step 3: Cross multiply
282,572.01x = 389,655.99 × 196,628.31 - Step 4: Simplify right side
282,572.01x = 76,617,398,795.08 - Step 5: Solve for x
x = 76,617,398,795.08/282,572.01 - Step 6: Final answer
x = 271,142.92
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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.