Finding the Fourth Proportional to 492,452.02, 679,542.96 and 277,644.88
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Solution
The fourth proportional to 492,452.02, 679,542.96 and 277,644.88 is: 383,126.92
Step by Step Solution
- Step 1: Write the proportion equation
492,452.02 : 679,542.96 = 277,644.88 : x - Step 2: Convert to fraction form
492,452.02/679,542.96 = 277,644.88/x - Step 3: Cross multiply
492,452.02x = 679,542.96 × 277,644.88 - Step 4: Simplify right side
492,452.02x = 188,671,623,584.05 - Step 5: Solve for x
x = 188,671,623,584.05/492,452.02 - Step 6: Final answer
x = 383,126.92
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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.