Finding the Fourth Proportional to 427,140.54, 589,446.72 and 304,858.08
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Solution
The fourth proportional to 427,140.54, 589,446.72 and 304,858.08 is: 420,698.99
Step by Step Solution
- Step 1: Write the proportion equation
427,140.54 : 589,446.72 = 304,858.08 : x - Step 2: Convert to fraction form
427,140.54/589,446.72 = 304,858.08/x - Step 3: Cross multiply
427,140.54x = 589,446.72 × 304,858.08 - Step 4: Simplify right side
427,140.54x = 179,697,595,321.50 - Step 5: Solve for x
x = 179,697,595,321.50/427,140.54 - Step 6: Final answer
x = 420,698.99
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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.