Finding the Fourth Proportional to 476,286.64, 657,284.04 and 261,446.68
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Solution
The fourth proportional to 476,286.64, 657,284.04 and 261,446.68 is: 360,801.07
Step by Step Solution
- Step 1: Write the proportion equation
476,286.64 : 657,284.04 = 261,446.68 : x - Step 2: Convert to fraction form
476,286.64/657,284.04 = 261,446.68/x - Step 3: Cross multiply
476,286.64x = 657,284.04 × 261,446.68 - Step 4: Simplify right side
476,286.64x = 171,844,730,074.99 - Step 5: Solve for x
x = 171,844,730,074.99/476,286.64 - Step 6: Final answer
x = 360,801.07
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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.