Finding the Fourth Proportional to 351,971.68, 485,715.84 and 190,823.68
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Solution
The fourth proportional to 351,971.68, 485,715.84 and 190,823.68 is: 263,333.93
Step by Step Solution
- Step 1: Write the proportion equation
351,971.68 : 485,715.84 = 190,823.68 : x - Step 2: Convert to fraction form
351,971.68/485,715.84 = 190,823.68/x - Step 3: Cross multiply
351,971.68x = 485,715.84 × 190,823.68 - Step 4: Simplify right side
351,971.68x = 92,686,084,023.09 - Step 5: Solve for x
x = 92,686,084,023.09/351,971.68 - Step 6: Final answer
x = 263,333.93
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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.