Finding the Fourth Proportional to 247,288.53, 341,276.49 and 138,403.76
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Solution
The fourth proportional to 247,288.53, 341,276.49 and 138,403.76 is: 191,007.43
Step by Step Solution
- Step 1: Write the proportion equation
247,288.53 : 341,276.49 = 138,403.76 : x - Step 2: Convert to fraction form
247,288.53/341,276.49 = 138,403.76/x - Step 3: Cross multiply
247,288.53x = 341,276.49 × 138,403.76 - Step 4: Simplify right side
247,288.53x = 47,233,947,709.22 - Step 5: Solve for x
x = 47,233,947,709.22/247,288.53 - Step 6: Final answer
x = 191,007.43
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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.