Finding the Fourth Proportional to 102,804.99, 154,207.95 and 36,209.02
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Solution
The fourth proportional to 102,804.99, 154,207.95 and 36,209.02 is: 54,313.69
Step by Step Solution
- Step 1: Write the proportion equation
102,804.99 : 154,207.95 = 36,209.02 : x - Step 2: Convert to fraction form
102,804.99/154,207.95 = 36,209.02/x - Step 3: Cross multiply
102,804.99x = 154,207.95 × 36,209.02 - Step 4: Simplify right side
102,804.99x = 5,583,718,564.66 - Step 5: Solve for x
x = 5,583,718,564.66/102,804.99 - Step 6: Final answer
x = 54,313.69
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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.