Finding the Fourth Proportional to 368,222.68, 551,881.74 and 190,628.44
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Solution
The fourth proportional to 368,222.68, 551,881.74 and 190,628.44 is: 285,708.52
Step by Step Solution
- Step 1: Write the proportion equation
368,222.68 : 551,881.74 = 190,628.44 : x - Step 2: Convert to fraction form
368,222.68/551,881.74 = 190,628.44/x - Step 3: Cross multiply
368,222.68x = 551,881.74 × 190,628.44 - Step 4: Simplify right side
368,222.68x = 105,204,355,160.69 - Step 5: Solve for x
x = 105,204,355,160.69/368,222.68 - Step 6: Final answer
x = 285,708.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.