Finding the Fourth Proportional to 266,261.58, 399,287.88 and 108,433.08
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Solution
The fourth proportional to 266,261.58, 399,287.88 and 108,433.08 is: 162,607.07
Step by Step Solution
- Step 1: Write the proportion equation
266,261.58 : 399,287.88 = 108,433.08 : x - Step 2: Convert to fraction form
266,261.58/399,287.88 = 108,433.08/x - Step 3: Cross multiply
266,261.58x = 399,287.88 × 108,433.08 - Step 4: Simplify right side
266,261.58x = 43,296,014,635.07 - Step 5: Solve for x
x = 43,296,014,635.07/266,261.58 - Step 6: Final answer
x = 162,607.07
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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.