Finding the Fourth Proportional to 217,155.42, 325,855.44 and 169,637.19
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Solution
The fourth proportional to 217,155.42, 325,855.44 and 169,637.19 is: 254,551.33
Step by Step Solution
- Step 1: Write the proportion equation
217,155.42 : 325,855.44 = 169,637.19 : x - Step 2: Convert to fraction form
217,155.42/325,855.44 = 169,637.19/x - Step 3: Cross multiply
217,155.42x = 325,855.44 × 169,637.19 - Step 4: Simplify right side
217,155.42x = 55,277,201,187.81 - Step 5: Solve for x
x = 55,277,201,187.81/217,155.42 - Step 6: Final answer
x = 254,551.33
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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.