Finding the Fourth Proportional to 260,161.40, 390,533.70 and 201,258.20
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Solution
The fourth proportional to 260,161.40, 390,533.70 and 201,258.20 is: 302,112.88
Step by Step Solution
- Step 1: Write the proportion equation
260,161.40 : 390,533.70 = 201,258.20 : x - Step 2: Convert to fraction form
260,161.40/390,533.70 = 201,258.20/x - Step 3: Cross multiply
260,161.40x = 390,533.70 × 201,258.20 - Step 4: Simplify right side
260,161.40x = 78,598,109,501.34 - Step 5: Solve for x
x = 78,598,109,501.34/260,161.40 - Step 6: Final answer
x = 302,112.88
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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.