Finding the Fourth Proportional to 476,871.30, 715,305.09 and 121,884.75
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Solution
The fourth proportional to 476,871.30, 715,305.09 and 121,884.75 is: 182,826.65
Step by Step Solution
- Step 1: Write the proportion equation
476,871.30 : 715,305.09 = 121,884.75 : x - Step 2: Convert to fraction form
476,871.30/715,305.09 = 121,884.75/x - Step 3: Cross multiply
476,871.30x = 715,305.09 × 121,884.75 - Step 4: Simplify right side
476,871.30x = 87,184,782,068.38 - Step 5: Solve for x
x = 87,184,782,068.38/476,871.30 - Step 6: Final answer
x = 182,826.65
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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.