Finding the Fourth Proportional to 611,408.08, 917,096.76 and 212,334.80
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Solution
The fourth proportional to 611,408.08, 917,096.76 and 212,334.80 is: 318,496.87
Step by Step Solution
- Step 1: Write the proportion equation
611,408.08 : 917,096.76 = 212,334.80 : x - Step 2: Convert to fraction form
611,408.08/917,096.76 = 212,334.80/x - Step 3: Cross multiply
611,408.08x = 917,096.76 × 212,334.80 - Step 4: Simplify right side
611,408.08x = 194,731,557,115.25 - Step 5: Solve for x
x = 194,731,557,115.25/611,408.08 - Step 6: Final answer
x = 318,496.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.