Finding the Fourth Proportional to 75,202.28, 112,803.68 and 19,042.37
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Solution
The fourth proportional to 75,202.28, 112,803.68 and 19,042.37 is: 28,563.61
Step by Step Solution
- Step 1: Write the proportion equation
75,202.28 : 112,803.68 = 19,042.37 : x - Step 2: Convert to fraction form
75,202.28/112,803.68 = 19,042.37/x - Step 3: Cross multiply
75,202.28x = 112,803.68 × 19,042.37 - Step 4: Simplify right side
75,202.28x = 2,148,048,988.91 - Step 5: Solve for x
x = 2,148,048,988.91/75,202.28 - Step 6: Final answer
x = 28,563.61
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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.