Finding the Fourth Proportional to 256,944.68, 385,321.26 and 88,417.88
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Solution
The fourth proportional to 256,944.68, 385,321.26 and 88,417.88 is: 132,593.87
Step by Step Solution
- Step 1: Write the proportion equation
256,944.68 : 385,321.26 = 88,417.88 : x - Step 2: Convert to fraction form
256,944.68/385,321.26 = 88,417.88/x - Step 3: Cross multiply
256,944.68x = 385,321.26 × 88,417.88 - Step 4: Simplify right side
256,944.68x = 34,069,288,928.13 - Step 5: Solve for x
x = 34,069,288,928.13/256,944.68 - Step 6: Final answer
x = 132,593.87
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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.