Finding the Fourth Proportional to 317,192.64, 475,779.84 and 117,508.60
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Solution
The fourth proportional to 317,192.64, 475,779.84 and 117,508.60 is: 176,259.52
Step by Step Solution
- Step 1: Write the proportion equation
317,192.64 : 475,779.84 = 117,508.60 : x - Step 2: Convert to fraction form
317,192.64/475,779.84 = 117,508.60/x - Step 3: Cross multiply
317,192.64x = 475,779.84 × 117,508.60 - Step 4: Simplify right side
317,192.64x = 55,908,222,906.62 - Step 5: Solve for x
x = 55,908,222,906.62/317,192.64 - Step 6: Final answer
x = 176,259.52
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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.