Finding the Fourth Proportional to 110,329.65, 165,519.09 and 40,208.99
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Solution
The fourth proportional to 110,329.65, 165,519.09 and 40,208.99 is: 60,322.45
Step by Step Solution
- Step 1: Write the proportion equation
110,329.65 : 165,519.09 = 40,208.99 : x - Step 2: Convert to fraction form
110,329.65/165,519.09 = 40,208.99/x - Step 3: Cross multiply
110,329.65x = 165,519.09 × 40,208.99 - Step 4: Simplify right side
110,329.65x = 6,655,354,607.02 - Step 5: Solve for x
x = 6,655,354,607.02/110,329.65 - Step 6: Final answer
x = 60,322.45
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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.