Finding the Fourth Proportional to 183,628.47, 253,446.80 and 140,133.99
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Solution
The fourth proportional to 183,628.47, 253,446.80 and 140,133.99 is: 193,415.06
Step by Step Solution
- Step 1: Write the proportion equation
183,628.47 : 253,446.80 = 140,133.99 : x - Step 2: Convert to fraction form
183,628.47/253,446.80 = 140,133.99/x - Step 3: Cross multiply
183,628.47x = 253,446.80 × 140,133.99 - Step 4: Simplify right side
183,628.47x = 35,516,510,636.06 - Step 5: Solve for x
x = 35,516,510,636.06/183,628.47 - Step 6: Final answer
x = 193,415.06
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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.