Finding the Fourth Proportional to 98,390.34, 147,556.64 and 45,052.14
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Solution
The fourth proportional to 98,390.34, 147,556.64 and 45,052.14 is: 67,564.99
Step by Step Solution
- Step 1: Write the proportion equation
98,390.34 : 147,556.64 = 45,052.14 : x - Step 2: Convert to fraction form
98,390.34/147,556.64 = 45,052.14/x - Step 3: Cross multiply
98,390.34x = 147,556.64 × 45,052.14 - Step 4: Simplify right side
98,390.34x = 6,647,742,403.21 - Step 5: Solve for x
x = 6,647,742,403.21/98,390.34 - Step 6: Final answer
x = 67,564.99
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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.