Finding the Fourth Proportional to 424,450.80, 636,606.99 and 124,861.31
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Solution
The fourth proportional to 424,450.80, 636,606.99 and 124,861.31 is: 187,271.61
Step by Step Solution
- Step 1: Write the proportion equation
424,450.80 : 636,606.99 = 124,861.31 : x - Step 2: Convert to fraction form
424,450.80/636,606.99 = 124,861.31/x - Step 3: Cross multiply
424,450.80x = 636,606.99 × 124,861.31 - Step 4: Simplify right side
424,450.80x = 79,487,583,693.77 - Step 5: Solve for x
x = 79,487,583,693.77/424,450.80 - Step 6: Final answer
x = 187,271.61
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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.