Finding the Fourth Proportional to 442,752.86, 664,176.78 and 122,906.09
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Solution
The fourth proportional to 442,752.86, 664,176.78 and 122,906.09 is: 184,372.31
Step by Step Solution
- Step 1: Write the proportion equation
442,752.86 : 664,176.78 = 122,906.09 : x - Step 2: Convert to fraction form
442,752.86/664,176.78 = 122,906.09/x - Step 3: Cross multiply
442,752.86x = 664,176.78 × 122,906.09 - Step 4: Simplify right side
442,752.86x = 81,631,367,777.71 - Step 5: Solve for x
x = 81,631,367,777.71/442,752.86 - Step 6: Final answer
x = 184,372.31
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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.