Finding the Fourth Proportional to 266,017.92, 399,102.08 and 108,359.68
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Solution
The fourth proportional to 266,017.92, 399,102.08 and 108,359.68 is: 162,570.15
Step by Step Solution
- Step 1: Write the proportion equation
266,017.92 : 399,102.08 = 108,359.68 : x - Step 2: Convert to fraction form
266,017.92/399,102.08 = 108,359.68/x - Step 3: Cross multiply
266,017.92x = 399,102.08 × 108,359.68 - Step 4: Simplify right side
266,017.92x = 43,246,573,676.13 - Step 5: Solve for x
x = 43,246,573,676.13/266,017.92 - Step 6: Final answer
x = 162,570.15
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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.