Finding the Fourth Proportional to 201,082.08, 277,315.20 and 153,220.80
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Solution
The fourth proportional to 201,082.08, 277,315.20 and 153,220.80 is: 211,309.02
Step by Step Solution
- Step 1: Write the proportion equation
201,082.08 : 277,315.20 = 153,220.80 : x - Step 2: Convert to fraction form
201,082.08/277,315.20 = 153,220.80/x - Step 3: Cross multiply
201,082.08x = 277,315.20 × 153,220.80 - Step 4: Simplify right side
201,082.08x = 42,490,456,796.16 - Step 5: Solve for x
x = 42,490,456,796.16/201,082.08 - Step 6: Final answer
x = 211,309.02
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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.