Finding the Fourth Proportional to 217,207.80, 325,811.70 and 164,719.80
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Solution
The fourth proportional to 217,207.80, 325,811.70 and 164,719.80 is: 247,079.70
Step by Step Solution
- Step 1: Write the proportion equation
217,207.80 : 325,811.70 = 164,719.80 : x - Step 2: Convert to fraction form
217,207.80/325,811.70 = 164,719.80/x - Step 3: Cross multiply
217,207.80x = 325,811.70 × 164,719.80 - Step 4: Simplify right side
217,207.80x = 53,667,638,061.66 - Step 5: Solve for x
x = 53,667,638,061.66/217,207.80 - Step 6: Final answer
x = 247,079.70
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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.