Finding the Fourth Proportional to 97,234.40, 134,178.64 and 54,795.68
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Solution
The fourth proportional to 97,234.40, 134,178.64 and 54,795.68 is: 75,615.32
Step by Step Solution
- Step 1: Write the proportion equation
97,234.40 : 134,178.64 = 54,795.68 : x - Step 2: Convert to fraction form
97,234.40/134,178.64 = 54,795.68/x - Step 3: Cross multiply
97,234.40x = 134,178.64 × 54,795.68 - Step 4: Simplify right side
97,234.40x = 7,352,409,820.28 - Step 5: Solve for x
x = 7,352,409,820.28/97,234.40 - Step 6: Final answer
x = 75,615.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.