Finding the Fourth Proportional to 397,278.48, 595,912.68 and 97,762.80
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Solution
The fourth proportional to 397,278.48, 595,912.68 and 97,762.80 is: 146,642.96
Step by Step Solution
- Step 1: Write the proportion equation
397,278.48 : 595,912.68 = 97,762.80 : x - Step 2: Convert to fraction form
397,278.48/595,912.68 = 97,762.80/x - Step 3: Cross multiply
397,278.48x = 595,912.68 × 97,762.80 - Step 4: Simplify right side
397,278.48x = 58,258,092,152.30 - Step 5: Solve for x
x = 58,258,092,152.30/397,278.48 - Step 6: Final answer
x = 146,642.96
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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.