Finding the Fourth Proportional to 207,629.03, 286,528.08 and 112,135.70
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Solution
The fourth proportional to 207,629.03, 286,528.08 and 112,135.70 is: 154,747.28
Step by Step Solution
- Step 1: Write the proportion equation
207,629.03 : 286,528.08 = 112,135.70 : x - Step 2: Convert to fraction form
207,629.03/286,528.08 = 112,135.70/x - Step 3: Cross multiply
207,629.03x = 286,528.08 × 112,135.70 - Step 4: Simplify right side
207,629.03x = 32,130,026,820.46 - Step 5: Solve for x
x = 32,130,026,820.46/207,629.03 - Step 6: Final answer
x = 154,747.28
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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.