Finding the Fourth Proportional to 930,039.12, 1,395,074.88 and 256,116.96
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Solution
The fourth proportional to 930,039.12, 1,395,074.88 and 256,116.96 is: 384,179.90
Step by Step Solution
- Step 1: Write the proportion equation
930,039.12 : 1,395,074.88 = 256,116.96 : x - Step 2: Convert to fraction form
930,039.12/1,395,074.88 = 256,116.96/x - Step 3: Cross multiply
930,039.12x = 1,395,074.88 × 256,116.96 - Step 4: Simplify right side
930,039.12x = 357,302,337,237.97 - Step 5: Solve for x
x = 357,302,337,237.97/930,039.12 - Step 6: Final answer
x = 384,179.90
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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.