Finding the Fourth Proportional to 383,085.91, 574,431.99 and 205,742.08
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Solution
The fourth proportional to 383,085.91, 574,431.99 and 205,742.08 is: 308,507.39
Step by Step Solution
- Step 1: Write the proportion equation
383,085.91 : 574,431.99 = 205,742.08 : x - Step 2: Convert to fraction form
383,085.91/574,431.99 = 205,742.08/x - Step 3: Cross multiply
383,085.91x = 574,431.99 × 205,742.08 - Step 4: Simplify right side
383,085.91x = 118,184,832,441.14 - Step 5: Solve for x
x = 118,184,832,441.14/383,085.91 - Step 6: Final answer
x = 308,507.39
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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.