Finding the Fourth Proportional to 401,693.74, 553,832.98 and 294,076.94
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Solution
The fourth proportional to 401,693.74, 553,832.98 and 294,076.94 is: 405,456.92
Step by Step Solution
- Step 1: Write the proportion equation
401,693.74 : 553,832.98 = 294,076.94 : x - Step 2: Convert to fraction form
401,693.74/553,832.98 = 294,076.94/x - Step 3: Cross multiply
401,693.74x = 553,832.98 × 294,076.94 - Step 4: Simplify right side
401,693.74x = 162,869,508,029.48 - Step 5: Solve for x
x = 162,869,508,029.48/401,693.74 - Step 6: Final answer
x = 405,456.92
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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.