Finding the Fourth Proportional to 471,974.12, 651,303.17 and 275,758.70
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Solution
The fourth proportional to 471,974.12, 651,303.17 and 275,758.70 is: 380,534.67
Step by Step Solution
- Step 1: Write the proportion equation
471,974.12 : 651,303.17 = 275,758.70 : x - Step 2: Convert to fraction form
471,974.12/651,303.17 = 275,758.70/x - Step 3: Cross multiply
471,974.12x = 651,303.17 × 275,758.70 - Step 4: Simplify right side
471,974.12x = 179,602,515,714.54 - Step 5: Solve for x
x = 179,602,515,714.54/471,974.12 - Step 6: Final answer
x = 380,534.67
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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.