Finding the Fourth Proportional to 203,302.95, 280,560.65 and 112,660.68
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Solution
The fourth proportional to 203,302.95, 280,560.65 and 112,660.68 is: 155,473.17
Step by Step Solution
- Step 1: Write the proportion equation
203,302.95 : 280,560.65 = 112,660.68 : x - Step 2: Convert to fraction form
203,302.95/280,560.65 = 112,660.68/x - Step 3: Cross multiply
203,302.95x = 280,560.65 × 112,660.68 - Step 4: Simplify right side
203,302.95x = 31,608,153,610.24 - Step 5: Solve for x
x = 31,608,153,610.24/203,302.95 - Step 6: Final answer
x = 155,473.17
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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.