Finding the Fourth Proportional to 147,945.99, 221,563.15 and 84,574.02
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Solution
The fourth proportional to 147,945.99, 221,563.15 and 84,574.02 is: 126,657.62
Step by Step Solution
- Step 1: Write the proportion equation
147,945.99 : 221,563.15 = 84,574.02 : x - Step 2: Convert to fraction form
147,945.99/221,563.15 = 84,574.02/x - Step 3: Cross multiply
147,945.99x = 221,563.15 × 84,574.02 - Step 4: Simplify right side
147,945.99x = 18,738,486,898.79 - Step 5: Solve for x
x = 18,738,486,898.79/147,945.99 - Step 6: Final answer
x = 126,657.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.