Finding the Fourth Proportional to 339,038.19, 508,540.84 and 125,847.65
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Solution
The fourth proportional to 339,038.19, 508,540.84 and 125,847.65 is: 188,765.37
Step by Step Solution
- Step 1: Write the proportion equation
339,038.19 : 508,540.84 = 125,847.65 : x - Step 2: Convert to fraction form
339,038.19/508,540.84 = 125,847.65/x - Step 3: Cross multiply
339,038.19x = 508,540.84 × 125,847.65 - Step 4: Simplify right side
339,038.19x = 63,998,669,643.03 - Step 5: Solve for x
x = 63,998,669,643.03/339,038.19 - Step 6: Final answer
x = 188,765.37
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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.