Finding the Fourth Proportional to 217,278.70, 325,918.05 and 201,532.30
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Solution
The fourth proportional to 217,278.70, 325,918.05 and 201,532.30 is: 302,298.45
Step by Step Solution
- Step 1: Write the proportion equation
217,278.70 : 325,918.05 = 201,532.30 : x - Step 2: Convert to fraction form
217,278.70/325,918.05 = 201,532.30/x - Step 3: Cross multiply
217,278.70x = 325,918.05 × 201,532.30 - Step 4: Simplify right side
217,278.70x = 65,683,014,228.02 - Step 5: Solve for x
x = 65,683,014,228.02/217,278.70 - Step 6: Final answer
x = 302,298.45
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1.5x scale
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.