Finding the Fourth Proportional to 203,588.02, 280,951.80 and 112,943.99
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Solution
The fourth proportional to 203,588.02, 280,951.80 and 112,943.99 is: 155,862.89
Step by Step Solution
- Step 1: Write the proportion equation
203,588.02 : 280,951.80 = 112,943.99 : x - Step 2: Convert to fraction form
203,588.02/280,951.80 = 112,943.99/x - Step 3: Cross multiply
203,588.02x = 280,951.80 × 112,943.99 - Step 4: Simplify right side
203,588.02x = 31,731,817,289.68 - Step 5: Solve for x
x = 31,731,817,289.68/203,588.02 - Step 6: Final answer
x = 155,862.89
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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.