Finding the Fourth Proportional to 318,971.58, 440,181.19 and 173,776.65
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Solution
The fourth proportional to 318,971.58, 440,181.19 and 173,776.65 is: 239,812.00
Step by Step Solution
- Step 1: Write the proportion equation
318,971.58 : 440,181.19 = 173,776.65 : x - Step 2: Convert to fraction form
318,971.58/440,181.19 = 173,776.65/x - Step 3: Cross multiply
318,971.58x = 440,181.19 × 173,776.65 - Step 4: Simplify right side
318,971.58x = 76,493,210,390.31 - Step 5: Solve for x
x = 76,493,210,390.31/318,971.58 - Step 6: Final answer
x = 239,812.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.