Finding the Fourth Proportional to 298,160.80, 411,454.49 and 170,828.19
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Solution
The fourth proportional to 298,160.80, 411,454.49 and 170,828.19 is: 235,738.65
Step by Step Solution
- Step 1: Write the proportion equation
298,160.80 : 411,454.49 = 170,828.19 : x - Step 2: Convert to fraction form
298,160.80/411,454.49 = 170,828.19/x - Step 3: Cross multiply
298,160.80x = 411,454.49 × 170,828.19 - Step 4: Simplify right side
298,160.80x = 70,288,024,939.93 - Step 5: Solve for x
x = 70,288,024,939.93/298,160.80 - Step 6: Final answer
x = 235,738.65
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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.