Finding the Fourth Proportional to 174,101.32, 261,189.58 and 54,155.99
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Solution
The fourth proportional to 174,101.32, 261,189.58 and 54,155.99 is: 81,245.68
Step by Step Solution
- Step 1: Write the proportion equation
174,101.32 : 261,189.58 = 54,155.99 : x - Step 2: Convert to fraction form
174,101.32/261,189.58 = 54,155.99/x - Step 3: Cross multiply
174,101.32x = 261,189.58 × 54,155.99 - Step 4: Simplify right side
174,101.32x = 14,144,979,432.52 - Step 5: Solve for x
x = 14,144,979,432.52/174,101.32 - Step 6: Final answer
x = 81,245.68
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1.5x scale
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.