Finding the Fourth Proportional to 413,775.06, 620,661.41 and 110,169.19
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Solution
The fourth proportional to 413,775.06, 620,661.41 and 110,169.19 is: 165,253.47
Step by Step Solution
- Step 1: Write the proportion equation
413,775.06 : 620,661.41 = 110,169.19 : x - Step 2: Convert to fraction form
413,775.06/620,661.41 = 110,169.19/x - Step 3: Cross multiply
413,775.06x = 620,661.41 × 110,169.19 - Step 4: Simplify right side
413,775.06x = 68,377,764,006.32 - Step 5: Solve for x
x = 68,377,764,006.32/413,775.06 - Step 6: Final answer
x = 165,253.47
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1.5x scale
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.