Finding the Fourth Proportional to 434,942.40, 652,257.08 and 150,555.68
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Solution
The fourth proportional to 434,942.40, 652,257.08 and 150,555.68 is: 225,779.34
Step by Step Solution
- Step 1: Write the proportion equation
434,942.40 : 652,257.08 = 150,555.68 : x - Step 2: Convert to fraction form
434,942.40/652,257.08 = 150,555.68/x - Step 3: Cross multiply
434,942.40x = 652,257.08 × 150,555.68 - Step 4: Simplify right side
434,942.40x = 98,201,008,214.21 - Step 5: Solve for x
x = 98,201,008,214.21/434,942.40 - Step 6: Final answer
x = 225,779.34
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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.