Finding the Fourth Proportional to 492,107.80, 679,108.76 and 265,753.28
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Solution
The fourth proportional to 492,107.80, 679,108.76 and 265,753.28 is: 366,739.52
Step by Step Solution
- Step 1: Write the proportion equation
492,107.80 : 679,108.76 = 265,753.28 : x - Step 2: Convert to fraction form
492,107.80/679,108.76 = 265,753.28/x - Step 3: Cross multiply
492,107.80x = 679,108.76 × 265,753.28 - Step 4: Simplify right side
492,107.80x = 180,475,380,446.73 - Step 5: Solve for x
x = 180,475,380,446.73/492,107.80 - Step 6: Final answer
x = 366,739.52
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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.