Finding the Fourth Proportional to 217,812.22, 300,587.58 and 122,320.96
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Solution
The fourth proportional to 217,812.22, 300,587.58 and 122,320.96 is: 168,806.70
Step by Step Solution
- Step 1: Write the proportion equation
217,812.22 : 300,587.58 = 122,320.96 : x - Step 2: Convert to fraction form
217,812.22/300,587.58 = 122,320.96/x - Step 3: Cross multiply
217,812.22x = 300,587.58 × 122,320.96 - Step 4: Simplify right side
217,812.22x = 36,768,160,598.21 - Step 5: Solve for x
x = 36,768,160,598.21/217,812.22 - Step 6: Final answer
x = 168,806.70
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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.