Finding the Fourth Proportional to 339,701.12, 468,782.88 and 188,794.88
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Solution
The fourth proportional to 339,701.12, 468,782.88 and 188,794.88 is: 260,534.34
Step by Step Solution
- Step 1: Write the proportion equation
339,701.12 : 468,782.88 = 188,794.88 : x - Step 2: Convert to fraction form
339,701.12/468,782.88 = 188,794.88/x - Step 3: Cross multiply
339,701.12x = 468,782.88 × 188,794.88 - Step 4: Simplify right side
339,701.12x = 88,503,807,575.65 - Step 5: Solve for x
x = 88,503,807,575.65/339,701.12 - Step 6: Final answer
x = 260,534.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.