Finding the Fourth Proportional to 147,609.68, 221,307.80 and 57,576.11
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Solution
The fourth proportional to 147,609.68, 221,307.80 and 57,576.11 is: 86,322.53
Step by Step Solution
- Step 1: Write the proportion equation
147,609.68 : 221,307.80 = 57,576.11 : x - Step 2: Convert to fraction form
147,609.68/221,307.80 = 57,576.11/x - Step 3: Cross multiply
147,609.68x = 221,307.80 × 57,576.11 - Step 4: Simplify right side
147,609.68x = 12,742,040,842.24 - Step 5: Solve for x
x = 12,742,040,842.24/147,609.68 - Step 6: Final answer
x = 86,322.53
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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.