Finding the Fourth Proportional to 489,444.16, 734,164.49 and 276,115.29
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Solution
The fourth proportional to 489,444.16, 734,164.49 and 276,115.29 is: 414,171.95
Step by Step Solution
- Step 1: Write the proportion equation
489,444.16 : 734,164.49 = 276,115.29 : x - Step 2: Convert to fraction form
489,444.16/734,164.49 = 276,115.29/x - Step 3: Cross multiply
489,444.16x = 734,164.49 × 276,115.29 - Step 4: Simplify right side
489,444.16x = 202,714,041,064.05 - Step 5: Solve for x
x = 202,714,041,064.05/489,444.16 - Step 6: Final answer
x = 414,171.95
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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.