Finding the Fourth Proportional to 164,801.20, 247,201.80 and 162,176.80
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Solution
The fourth proportional to 164,801.20, 247,201.80 and 162,176.80 is: 243,265.20
Step by Step Solution
- Step 1: Write the proportion equation
164,801.20 : 247,201.80 = 162,176.80 : x - Step 2: Convert to fraction form
164,801.20/247,201.80 = 162,176.80/x - Step 3: Cross multiply
164,801.20x = 247,201.80 × 162,176.80 - Step 4: Simplify right side
164,801.20x = 40,090,396,878.24 - Step 5: Solve for x
x = 40,090,396,878.24/164,801.20 - Step 6: Final answer
x = 243,265.20
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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.