Finding the Fourth Proportional to 187,731.93, 259,070.99 and 102,849.03
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Solution
The fourth proportional to 187,731.93, 259,070.99 and 102,849.03 is: 141,932.17
Step by Step Solution
- Step 1: Write the proportion equation
187,731.93 : 259,070.99 = 102,849.03 : x - Step 2: Convert to fraction form
187,731.93/259,070.99 = 102,849.03/x - Step 3: Cross multiply
187,731.93x = 259,070.99 × 102,849.03 - Step 4: Simplify right side
187,731.93x = 26,645,199,508.39 - Step 5: Solve for x
x = 26,645,199,508.39/187,731.93 - Step 6: Final answer
x = 141,932.17
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1.5x scale
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.