Finding the Fourth Proportional to 424,457.97, 636,617.73 and 124,868.48
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Solution
The fourth proportional to 424,457.97, 636,617.73 and 124,868.48 is: 187,282.35
Step by Step Solution
- Step 1: Write the proportion equation
424,457.97 : 636,617.73 = 124,868.48 : x - Step 2: Convert to fraction form
424,457.97/636,617.73 = 124,868.48/x - Step 3: Cross multiply
424,457.97x = 636,617.73 × 124,868.48 - Step 4: Simplify right side
424,457.97x = 79,493,485,103.06 - Step 5: Solve for x
x = 79,493,485,103.06/424,457.97 - Step 6: Final answer
x = 187,282.35
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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.