Finding the Fourth Proportional to 174,579.65, 261,821.68 and 48,189.68
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Solution
The fourth proportional to 174,579.65, 261,821.68 and 48,189.68 is: 72,271.32
Step by Step Solution
- Step 1: Write the proportion equation
174,579.65 : 261,821.68 = 48,189.68 : x - Step 2: Convert to fraction form
174,579.65/261,821.68 = 48,189.68/x - Step 3: Cross multiply
174,579.65x = 261,821.68 × 48,189.68 - Step 4: Simplify right side
174,579.65x = 12,617,101,426.21 - Step 5: Solve for x
x = 12,617,101,426.21/174,579.65 - Step 6: Final answer
x = 72,271.32
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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.