Finding the Fourth Proportional to 403,446.14, 556,469.16 and 265,458.06
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Solution
The fourth proportional to 403,446.14, 556,469.16 and 265,458.06 is: 366,143.61
Step by Step Solution
- Step 1: Write the proportion equation
403,446.14 : 556,469.16 = 265,458.06 : x - Step 2: Convert to fraction form
403,446.14/556,469.16 = 265,458.06/x - Step 3: Cross multiply
403,446.14x = 556,469.16 × 265,458.06 - Step 4: Simplify right side
403,446.14x = 147,719,224,907.76 - Step 5: Solve for x
x = 147,719,224,907.76/403,446.14 - Step 6: Final answer
x = 366,143.61
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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.