Finding the Fourth Proportional to 201,358.40, 277,875.63 and 110,720.21
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Solution
The fourth proportional to 201,358.40, 277,875.63 and 110,720.21 is: 152,794.46
Step by Step Solution
- Step 1: Write the proportion equation
201,358.40 : 277,875.63 = 110,720.21 : x - Step 2: Convert to fraction form
201,358.40/277,875.63 = 110,720.21/x - Step 3: Cross multiply
201,358.40x = 277,875.63 × 110,720.21 - Step 4: Simplify right side
201,358.40x = 30,766,446,718.10 - Step 5: Solve for x
x = 30,766,446,718.10/201,358.40 - Step 6: Final answer
x = 152,794.46
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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.