Finding the Fourth Proportional to 254,169.99, 380,988.99 and 85,632.08
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Solution
The fourth proportional to 254,169.99, 380,988.99 and 85,632.08 is: 128,358.50
Step by Step Solution
- Step 1: Write the proportion equation
254,169.99 : 380,988.99 = 85,632.08 : x - Step 2: Convert to fraction form
254,169.99/380,988.99 = 85,632.08/x - Step 3: Cross multiply
254,169.99x = 380,988.99 × 85,632.08 - Step 4: Simplify right side
254,169.99x = 32,624,877,765.85 - Step 5: Solve for x
x = 32,624,877,765.85/254,169.99 - Step 6: Final answer
x = 128,358.50
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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.