Finding the Fourth Proportional to 220,781.70, 330,832.35 and 164,357.10
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Solution
The fourth proportional to 220,781.70, 330,832.35 and 164,357.10 is: 246,282.39
Step by Step Solution
- Step 1: Write the proportion equation
220,781.70 : 330,832.35 = 164,357.10 : x - Step 2: Convert to fraction form
220,781.70/330,832.35 = 164,357.10/x - Step 3: Cross multiply
220,781.70x = 330,832.35 × 164,357.10 - Step 4: Simplify right side
220,781.70x = 54,374,645,632.19 - Step 5: Solve for x
x = 54,374,645,632.19/220,781.70 - Step 6: Final answer
x = 246,282.39
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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.