Finding the Fourth Proportional to 298,107.04, 411,387.42 and 170,783.14
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Solution
The fourth proportional to 298,107.04, 411,387.42 and 170,783.14 is: 235,680.56
Step by Step Solution
- Step 1: Write the proportion equation
298,107.04 : 411,387.42 = 170,783.14 : x - Step 2: Convert to fraction form
298,107.04/411,387.42 = 170,783.14/x - Step 3: Cross multiply
298,107.04x = 411,387.42 × 170,783.14 - Step 4: Simplify right side
298,107.04x = 70,258,035,344.10 - Step 5: Solve for x
x = 70,258,035,344.10/298,107.04 - Step 6: Final answer
x = 235,680.56
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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.