Finding the Fourth Proportional to 470,902.78, 649,840.95 and 350,582.14
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Solution
The fourth proportional to 470,902.78, 649,840.95 and 350,582.14 is: 483,799.72
Step by Step Solution
- Step 1: Write the proportion equation
470,902.78 : 649,840.95 = 350,582.14 : x - Step 2: Convert to fraction form
470,902.78/649,840.95 = 350,582.14/x - Step 3: Cross multiply
470,902.78x = 649,840.95 × 350,582.14 - Step 4: Simplify right side
470,902.78x = 227,822,630,910.63 - Step 5: Solve for x
x = 227,822,630,910.63/470,902.78 - Step 6: Final answer
x = 483,799.72
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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.