Finding the Fourth Proportional to 207,860.42, 286,656.08 and 136,214.42
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Solution
The fourth proportional to 207,860.42, 286,656.08 and 136,214.42 is: 187,850.54
Step by Step Solution
- Step 1: Write the proportion equation
207,860.42 : 286,656.08 = 136,214.42 : x - Step 2: Convert to fraction form
207,860.42/286,656.08 = 136,214.42/x - Step 3: Cross multiply
207,860.42x = 286,656.08 × 136,214.42 - Step 4: Simplify right side
207,860.42x = 39,046,691,676.67 - Step 5: Solve for x
x = 39,046,691,676.67/207,860.42 - Step 6: Final answer
x = 187,850.54
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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.