Finding the Fourth Proportional to 368,154.20, 551,453.70 and 305,946.20
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Solution
The fourth proportional to 368,154.20, 551,453.70 and 305,946.20 is: 458,273.09
Step by Step Solution
- Step 1: Write the proportion equation
368,154.20 : 551,453.70 = 305,946.20 : x - Step 2: Convert to fraction form
368,154.20/551,453.70 = 305,946.20/x - Step 3: Cross multiply
368,154.20x = 551,453.70 × 305,946.20 - Step 4: Simplify right side
368,154.20x = 168,715,163,990.94 - Step 5: Solve for x
x = 168,715,163,990.94/368,154.20 - Step 6: Final answer
x = 458,273.09
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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.