Finding the Fourth Proportional to 179,155.53, 247,289.99 and 115,493.13
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Solution
The fourth proportional to 179,155.53, 247,289.99 and 115,493.13 is: 159,416.20
Step by Step Solution
- Step 1: Write the proportion equation
179,155.53 : 247,289.99 = 115,493.13 : x - Step 2: Convert to fraction form
179,155.53/247,289.99 = 115,493.13/x - Step 3: Cross multiply
179,155.53x = 247,289.99 × 115,493.13 - Step 4: Simplify right side
179,155.53x = 28,560,294,385.30 - Step 5: Solve for x
x = 28,560,294,385.30/179,155.53 - Step 6: Final answer
x = 159,416.20
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1.5x scale
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.