Finding the Fourth Proportional to 236,644.02, 326,567.04 and 129,213.96
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Solution
The fourth proportional to 236,644.02, 326,567.04 and 129,213.96 is: 178,314.33
Step by Step Solution
- Step 1: Write the proportion equation
236,644.02 : 326,567.04 = 129,213.96 : x - Step 2: Convert to fraction form
236,644.02/326,567.04 = 129,213.96/x - Step 3: Cross multiply
236,644.02x = 326,567.04 × 129,213.96 - Step 4: Simplify right side
236,644.02x = 42,197,020,443.88 - Step 5: Solve for x
x = 42,197,020,443.88/236,644.02 - Step 6: Final answer
x = 178,314.33
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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.