Finding the Fourth Proportional to 351,726.84, 485,383.47 and 190,581.84
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Solution
The fourth proportional to 351,726.84, 485,383.47 and 190,581.84 is: 263,003.17
Step by Step Solution
- Step 1: Write the proportion equation
351,726.84 : 485,383.47 = 190,581.84 : x - Step 2: Convert to fraction form
351,726.84/485,383.47 = 190,581.84/x - Step 3: Cross multiply
351,726.84x = 485,383.47 × 190,581.84 - Step 4: Simplify right side
351,726.84x = 92,505,274,818.18 - Step 5: Solve for x
x = 92,505,274,818.18/351,726.84 - Step 6: Final answer
x = 263,003.17
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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.