Finding the Fourth Proportional to 200,334.47, 276,464.75 and 109,688.99
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Solution
The fourth proportional to 200,334.47, 276,464.75 and 109,688.99 is: 151,372.54
Step by Step Solution
- Step 1: Write the proportion equation
200,334.47 : 276,464.75 = 109,688.99 : x - Step 2: Convert to fraction form
200,334.47/276,464.75 = 109,688.99/x - Step 3: Cross multiply
200,334.47x = 276,464.75 × 109,688.99 - Step 4: Simplify right side
200,334.47x = 30,325,137,267.33 - Step 5: Solve for x
x = 30,325,137,267.33/200,334.47 - Step 6: Final answer
x = 151,372.54
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1.5x scale
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.