Finding the Fourth Proportional to 103,294.88, 155,007.86 and 44,130.99
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Solution
The fourth proportional to 103,294.88, 155,007.86 and 44,130.99 is: 66,224.49
Step by Step Solution
- Step 1: Write the proportion equation
103,294.88 : 155,007.86 = 44,130.99 : x - Step 2: Convert to fraction form
103,294.88/155,007.86 = 44,130.99/x - Step 3: Cross multiply
103,294.88x = 155,007.86 × 44,130.99 - Step 4: Simplify right side
103,294.88x = 6,840,650,098.93 - Step 5: Solve for x
x = 6,840,650,098.93/103,294.88 - Step 6: Final answer
x = 66,224.49
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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.