Finding the Fourth Proportional to 285,598.08, 394,118.64 and 164,739.36
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Solution
The fourth proportional to 285,598.08, 394,118.64 and 164,739.36 is: 227,336.45
Step by Step Solution
- Step 1: Write the proportion equation
285,598.08 : 394,118.64 = 164,739.36 : x - Step 2: Convert to fraction form
285,598.08/394,118.64 = 164,739.36/x - Step 3: Cross multiply
285,598.08x = 394,118.64 × 164,739.36 - Step 4: Simplify right side
285,598.08x = 64,926,852,517.67 - Step 5: Solve for x
x = 64,926,852,517.67/285,598.08 - Step 6: Final answer
x = 227,336.45
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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.