Finding the Fourth Proportional to 75,449.63, 113,191.94 and 22,139.46
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Solution
The fourth proportional to 75,449.63, 113,191.94 and 22,139.46 is: 33,214.32
Step by Step Solution
- Step 1: Write the proportion equation
75,449.63 : 113,191.94 = 22,139.46 : x - Step 2: Convert to fraction form
75,449.63/113,191.94 = 22,139.46/x - Step 3: Cross multiply
75,449.63x = 113,191.94 × 22,139.46 - Step 4: Simplify right side
75,449.63x = 2,506,008,483.30 - Step 5: Solve for x
x = 2,506,008,483.30/75,449.63 - Step 6: Final answer
x = 33,214.32
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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.