Finding the Fourth Proportional to 97,154.76, 145,732.20 and 27,034.20
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Solution
The fourth proportional to 97,154.76, 145,732.20 and 27,034.20 is: 40,551.32
Step by Step Solution
- Step 1: Write the proportion equation
97,154.76 : 145,732.20 = 27,034.20 : x - Step 2: Convert to fraction form
97,154.76/145,732.20 = 27,034.20/x - Step 3: Cross multiply
97,154.76x = 145,732.20 × 27,034.20 - Step 4: Simplify right side
97,154.76x = 3,939,753,441.24 - Step 5: Solve for x
x = 3,939,753,441.24/97,154.76 - Step 6: Final answer
x = 40,551.32
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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.