Finding the Fourth Proportional to 282,355.80, 389,479.74 and 167,558.82
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Solution
The fourth proportional to 282,355.80, 389,479.74 and 167,558.82 is: 231,129.54
Step by Step Solution
- Step 1: Write the proportion equation
282,355.80 : 389,479.74 = 167,558.82 : x - Step 2: Convert to fraction form
282,355.80/389,479.74 = 167,558.82/x - Step 3: Cross multiply
282,355.80x = 389,479.74 × 167,558.82 - Step 4: Simplify right side
282,355.80x = 65,260,765,648.31 - Step 5: Solve for x
x = 65,260,765,648.31/282,355.80 - Step 6: Final answer
x = 231,129.54
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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.