Finding the Fourth Proportional to 399,852.42, 551,800.06 and 227,767.92
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Solution
The fourth proportional to 399,852.42, 551,800.06 and 227,767.92 is: 314,321.85
Step by Step Solution
- Step 1: Write the proportion equation
399,852.42 : 551,800.06 = 227,767.92 : x - Step 2: Convert to fraction form
399,852.42/551,800.06 = 227,767.92/x - Step 3: Cross multiply
399,852.42x = 551,800.06 × 227,767.92 - Step 4: Simplify right side
399,852.42x = 125,682,351,922.08 - Step 5: Solve for x
x = 125,682,351,922.08/399,852.42 - Step 6: Final answer
x = 314,321.85
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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.