Finding the Fourth Proportional to 69,389.59, 104,084.70 and 16,798.99
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Solution
The fourth proportional to 69,389.59, 104,084.70 and 16,798.99 is: 25,198.56
Step by Step Solution
- Step 1: Write the proportion equation
69,389.59 : 104,084.70 = 16,798.99 : x - Step 2: Convert to fraction form
69,389.59/104,084.70 = 16,798.99/x - Step 3: Cross multiply
69,389.59x = 104,084.70 × 16,798.99 - Step 4: Simplify right side
69,389.59x = 1,748,517,834.45 - Step 5: Solve for x
x = 1,748,517,834.45/69,389.59 - Step 6: Final answer
x = 25,198.56
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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.