Finding the Fourth Proportional to 89,803.20, 134,703.12 and 23,242.62
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Solution
The fourth proportional to 89,803.20, 134,703.12 and 23,242.62 is: 34,863.50
Step by Step Solution
- Step 1: Write the proportion equation
89,803.20 : 134,703.12 = 23,242.62 : x - Step 2: Convert to fraction form
89,803.20/134,703.12 = 23,242.62/x - Step 3: Cross multiply
89,803.20x = 134,703.12 × 23,242.62 - Step 4: Simplify right side
89,803.20x = 3,130,853,430.97 - Step 5: Solve for x
x = 3,130,853,430.97/89,803.20 - Step 6: Final answer
x = 34,863.50
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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.