Finding the Fourth Proportional to 298,043.87, 411,283.91 and 170,727.66
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Solution
The fourth proportional to 298,043.87, 411,283.91 and 170,727.66 is: 235,594.65
Step by Step Solution
- Step 1: Write the proportion equation
298,043.87 : 411,283.91 = 170,727.66 : x - Step 2: Convert to fraction form
298,043.87/411,283.91 = 170,727.66/x - Step 3: Cross multiply
298,043.87x = 411,283.91 × 170,727.66 - Step 4: Simplify right side
298,043.87x = 70,217,539,976.77 - Step 5: Solve for x
x = 70,217,539,976.77/298,043.87 - Step 6: Final answer
x = 235,594.65
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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.