Finding the Fourth Proportional to 309,147.84, 463,718.12 and 174,222.09
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Solution
The fourth proportional to 309,147.84, 463,718.12 and 174,222.09 is: 261,331.08
Step by Step Solution
- Step 1: Write the proportion equation
309,147.84 : 463,718.12 = 174,222.09 : x - Step 2: Convert to fraction form
309,147.84/463,718.12 = 174,222.09/x - Step 3: Cross multiply
309,147.84x = 463,718.12 × 174,222.09 - Step 4: Simplify right side
309,147.84x = 80,789,939,166.16 - Step 5: Solve for x
x = 80,789,939,166.16/309,147.84 - Step 6: Final answer
x = 261,331.08
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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.