Finding the Fourth Proportional to 470,769.05, 649,503.17 and 266,803.96
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Solution
The fourth proportional to 470,769.05, 649,503.17 and 266,803.96 is: 368,099.85
Step by Step Solution
- Step 1: Write the proportion equation
470,769.05 : 649,503.17 = 266,803.96 : x - Step 2: Convert to fraction form
470,769.05/649,503.17 = 266,803.96/x - Step 3: Cross multiply
470,769.05x = 649,503.17 × 266,803.96 - Step 4: Simplify right side
470,769.05x = 173,290,017,788.55 - Step 5: Solve for x
x = 173,290,017,788.55/470,769.05 - Step 6: Final answer
x = 368,099.85
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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.