Finding the Fourth Proportional to 201,222.99, 277,627.16 and 120,621.11
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Solution
The fourth proportional to 201,222.99, 277,627.16 and 120,621.11 is: 166,420.82
Step by Step Solution
- Step 1: Write the proportion equation
201,222.99 : 277,627.16 = 120,621.11 : x - Step 2: Convert to fraction form
201,222.99/277,627.16 = 120,621.11/x - Step 3: Cross multiply
201,222.99x = 277,627.16 × 120,621.11 - Step 4: Simplify right side
201,222.99x = 33,487,695,118.76 - Step 5: Solve for x
x = 33,487,695,118.76/201,222.99 - Step 6: Final answer
x = 166,420.82
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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.