Finding the Fourth Proportional to 383,895.17, 575,842.65 and 206,157.68
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Solution
The fourth proportional to 383,895.17, 575,842.65 and 206,157.68 is: 309,236.46
Step by Step Solution
- Step 1: Write the proportion equation
383,895.17 : 575,842.65 = 206,157.68 : x - Step 2: Convert to fraction form
383,895.17/575,842.65 = 206,157.68/x - Step 3: Cross multiply
383,895.17x = 575,842.65 × 206,157.68 - Step 4: Simplify right side
383,895.17x = 118,714,384,769.05 - Step 5: Solve for x
x = 118,714,384,769.05/383,895.17 - Step 6: Final answer
x = 309,236.46
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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.