Finding the Fourth Proportional to 234,136.80, 351,215.00 and 74,209.23
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Solution
The fourth proportional to 234,136.80, 351,215.00 and 74,209.23 is: 111,316.95
Step by Step Solution
- Step 1: Write the proportion equation
234,136.80 : 351,215.00 = 74,209.23 : x - Step 2: Convert to fraction form
234,136.80/351,215.00 = 74,209.23/x - Step 3: Cross multiply
234,136.80x = 351,215.00 × 74,209.23 - Step 4: Simplify right side
234,136.80x = 26,063,394,343.40 - Step 5: Solve for x
x = 26,063,394,343.40/234,136.80 - Step 6: Final answer
x = 111,316.95
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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.