Finding the Fourth Proportional to 286,758.11, 430,063.35 and 118,326.30
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Solution
The fourth proportional to 286,758.11, 430,063.35 and 118,326.30 is: 177,458.99
Step by Step Solution
- Step 1: Write the proportion equation
286,758.11 : 430,063.35 = 118,326.30 : x - Step 2: Convert to fraction form
286,758.11/430,063.35 = 118,326.30/x - Step 3: Cross multiply
286,758.11x = 430,063.35 × 118,326.30 - Step 4: Simplify right side
286,758.11x = 50,887,804,971.11 - Step 5: Solve for x
x = 50,887,804,971.11/286,758.11 - Step 6: Final answer
x = 177,458.99
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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.