Finding the Fourth Proportional to 199,135.80, 298,703.70 and 164,143.80
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Solution
The fourth proportional to 199,135.80, 298,703.70 and 164,143.80 is: 246,215.70
Step by Step Solution
- Step 1: Write the proportion equation
199,135.80 : 298,703.70 = 164,143.80 : x - Step 2: Convert to fraction form
199,135.80/298,703.70 = 164,143.80/x - Step 3: Cross multiply
199,135.80x = 298,703.70 × 164,143.80 - Step 4: Simplify right side
199,135.80x = 49,030,360,392.06 - Step 5: Solve for x
x = 49,030,360,392.06/199,135.80 - Step 6: Final answer
x = 246,215.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.