Finding the Fourth Proportional to 470,493.68, 649,283.94 and 255,635.48
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Solution
The fourth proportional to 470,493.68, 649,283.94 and 255,635.48 is: 352,778.41
Step by Step Solution
- Step 1: Write the proportion equation
470,493.68 : 649,283.94 = 255,635.48 : x - Step 2: Convert to fraction form
470,493.68/649,283.94 = 255,635.48/x - Step 3: Cross multiply
470,493.68x = 649,283.94 × 255,635.48 - Step 4: Simplify right side
470,493.68x = 165,980,011,658.19 - Step 5: Solve for x
x = 165,980,011,658.19/470,493.68 - Step 6: Final answer
x = 352,778.41
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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.