Finding the Fourth Proportional to 424,450.08, 636,605.92 and 124,860.60
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Solution
The fourth proportional to 424,450.08, 636,605.92 and 124,860.60 is: 187,270.54
Step by Step Solution
- Step 1: Write the proportion equation
424,450.08 : 636,605.92 = 124,860.60 : x - Step 2: Convert to fraction form
424,450.08/636,605.92 = 124,860.60/x - Step 3: Cross multiply
424,450.08x = 636,605.92 × 124,860.60 - Step 4: Simplify right side
424,450.08x = 79,486,997,134.75 - Step 5: Solve for x
x = 79,486,997,134.75/424,450.08 - Step 6: Final answer
x = 187,270.54
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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.