Finding the Fourth Proportional to 542,607.26, 813,949.76 and 143,244.05
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Solution
The fourth proportional to 542,607.26, 813,949.76 and 143,244.05 is: 214,876.33
Step by Step Solution
- Step 1: Write the proportion equation
542,607.26 : 813,949.76 = 143,244.05 : x - Step 2: Convert to fraction form
542,607.26/813,949.76 = 143,244.05/x - Step 3: Cross multiply
542,607.26x = 813,949.76 × 143,244.05 - Step 4: Simplify right side
542,607.26x = 116,593,456,407.29 - Step 5: Solve for x
x = 116,593,456,407.29/542,607.26 - Step 6: Final answer
x = 214,876.33
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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.