Finding the Fourth Proportional to 296,907.12, 445,535.64 and 119,432.07
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Solution
The fourth proportional to 296,907.12, 445,535.64 and 119,432.07 is: 179,218.48
Step by Step Solution
- Step 1: Write the proportion equation
296,907.12 : 445,535.64 = 119,432.07 : x - Step 2: Convert to fraction form
296,907.12/445,535.64 = 119,432.07/x - Step 3: Cross multiply
296,907.12x = 445,535.64 × 119,432.07 - Step 4: Simplify right side
296,907.12x = 53,211,243,743.97 - Step 5: Solve for x
x = 53,211,243,743.97/296,907.12 - Step 6: Final answer
x = 179,218.48
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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.