Finding the Fourth Proportional to 83,482.22, 125,191.74 and 30,160.12
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Solution
The fourth proportional to 83,482.22, 125,191.74 and 30,160.12 is: 45,228.77
Step by Step Solution
- Step 1: Write the proportion equation
83,482.22 : 125,191.74 = 30,160.12 : x - Step 2: Convert to fraction form
83,482.22/125,191.74 = 30,160.12/x - Step 3: Cross multiply
83,482.22x = 125,191.74 × 30,160.12 - Step 4: Simplify right side
83,482.22x = 3,775,797,901.41 - Step 5: Solve for x
x = 3,775,797,901.41/83,482.22 - Step 6: Final answer
x = 45,228.77
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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.