Finding the Fourth Proportional to 879,193.04, 1,318,775.14 and 280,146.09
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Solution
The fourth proportional to 879,193.04, 1,318,775.14 and 280,146.09 is: 420,214.54
Step by Step Solution
- Step 1: Write the proportion equation
879,193.04 : 1,318,775.14 = 280,146.09 : x - Step 2: Convert to fraction form
879,193.04/1,318,775.14 = 280,146.09/x - Step 3: Cross multiply
879,193.04x = 1,318,775.14 × 280,146.09 - Step 4: Simplify right side
879,193.04x = 369,449,697,659.47 - Step 5: Solve for x
x = 369,449,697,659.47/879,193.04 - Step 6: Final answer
x = 420,214.54
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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.