Finding the Fourth Proportional to 382,988.08, 574,744.56 and 133,670.08
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Solution
The fourth proportional to 382,988.08, 574,744.56 and 133,670.08 is: 200,596.72
Step by Step Solution
- Step 1: Write the proportion equation
382,988.08 : 574,744.56 = 133,670.08 : x - Step 2: Convert to fraction form
382,988.08/574,744.56 = 133,670.08/x - Step 3: Cross multiply
382,988.08x = 574,744.56 × 133,670.08 - Step 4: Simplify right side
382,988.08x = 76,826,151,314.76 - Step 5: Solve for x
x = 76,826,151,314.76/382,988.08 - Step 6: Final answer
x = 200,596.72
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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.