Finding the Fourth Proportional to 354,604.44, 489,343.50 and 193,462.68
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Solution
The fourth proportional to 354,604.44, 489,343.50 and 193,462.68 is: 266,972.70
Step by Step Solution
- Step 1: Write the proportion equation
354,604.44 : 489,343.50 = 193,462.68 : x - Step 2: Convert to fraction form
354,604.44/489,343.50 = 193,462.68/x - Step 3: Cross multiply
354,604.44x = 489,343.50 × 193,462.68 - Step 4: Simplify right side
354,604.44x = 94,669,704,950.58 - Step 5: Solve for x
x = 94,669,704,950.58/354,604.44 - Step 6: Final answer
x = 266,972.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.