Finding the Fourth Proportional to 818,052.86, 1,227,135.34 and 278,089.42
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Solution
The fourth proportional to 818,052.86, 1,227,135.34 and 278,089.42 is: 417,153.18
Step by Step Solution
- Step 1: Write the proportion equation
818,052.86 : 1,227,135.34 = 278,089.42 : x - Step 2: Convert to fraction form
818,052.86/1,227,135.34 = 278,089.42/x - Step 3: Cross multiply
818,052.86x = 1,227,135.34 × 278,089.42 - Step 4: Simplify right side
818,052.86x = 341,253,354,962.10 - Step 5: Solve for x
x = 341,253,354,962.10/818,052.86 - Step 6: Final answer
x = 417,153.18
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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.