Finding the Fourth Proportional to 320,993.19, 481,488.62 and 96,352.65
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Solution
The fourth proportional to 320,993.19, 481,488.62 and 96,352.65 is: 144,528.62
Step by Step Solution
- Step 1: Write the proportion equation
320,993.19 : 481,488.62 = 96,352.65 : x - Step 2: Convert to fraction form
320,993.19/481,488.62 = 96,352.65/x - Step 3: Cross multiply
320,993.19x = 481,488.62 × 96,352.65 - Step 4: Simplify right side
320,993.19x = 46,392,704,000.08 - Step 5: Solve for x
x = 46,392,704,000.08/320,993.19 - Step 6: Final answer
x = 144,528.62
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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.