Finding the Fourth Proportional to 430,930.62, 646,179.57 and 251,074.26
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Solution
The fourth proportional to 430,930.62, 646,179.57 and 251,074.26 is: 376,485.33
Step by Step Solution
- Step 1: Write the proportion equation
430,930.62 : 646,179.57 = 251,074.26 : x - Step 2: Convert to fraction form
430,930.62/646,179.57 = 251,074.26/x - Step 3: Cross multiply
430,930.62x = 646,179.57 × 251,074.26 - Step 4: Simplify right side
430,930.62x = 162,239,057,364.87 - Step 5: Solve for x
x = 162,239,057,364.87/430,930.62 - Step 6: Final answer
x = 376,485.33
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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.