Finding the Fourth Proportional to 618,401.18, 927,011.28 and 197,403.68
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Solution
The fourth proportional to 618,401.18, 927,011.28 and 197,403.68 is: 295,917.03
Step by Step Solution
- Step 1: Write the proportion equation
618,401.18 : 927,011.28 = 197,403.68 : x - Step 2: Convert to fraction form
618,401.18/927,011.28 = 197,403.68/x - Step 3: Cross multiply
618,401.18x = 927,011.28 × 197,403.68 - Step 4: Simplify right side
618,401.18x = 182,995,441,131.30 - Step 5: Solve for x
x = 182,995,441,131.30/618,401.18 - Step 6: Final answer
x = 295,917.03
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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.