Finding the Fourth Proportional to 380,937.28, 571,517.58 and 170,528.44
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Solution
The fourth proportional to 380,937.28, 571,517.58 and 170,528.44 is: 255,842.65
Step by Step Solution
- Step 1: Write the proportion equation
380,937.28 : 571,517.58 = 170,528.44 : x - Step 2: Convert to fraction form
380,937.28/571,517.58 = 170,528.44/x - Step 3: Cross multiply
380,937.28x = 571,517.58 × 170,528.44 - Step 4: Simplify right side
380,937.28x = 97,460,001,349.98 - Step 5: Solve for x
x = 97,460,001,349.98/380,937.28 - Step 6: Final answer
x = 255,842.65
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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.