Finding the Fourth Proportional to 247,366.12, 341,372.85 and 139,933.99
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Solution
The fourth proportional to 247,366.12, 341,372.85 and 139,933.99 is: 193,113.21
Step by Step Solution
- Step 1: Write the proportion equation
247,366.12 : 341,372.85 = 139,933.99 : x - Step 2: Convert to fraction form
247,366.12/341,372.85 = 139,933.99/x - Step 3: Cross multiply
247,366.12x = 341,372.85 × 139,933.99 - Step 4: Simplify right side
247,366.12x = 47,769,664,978.17 - Step 5: Solve for x
x = 47,769,664,978.17/247,366.12 - Step 6: Final answer
x = 193,113.21
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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.