Finding the Fourth Proportional to 187,693.68, 259,017.34 and 102,813.80
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Solution
The fourth proportional to 187,693.68, 259,017.34 and 102,813.80 is: 141,883.08
Step by Step Solution
- Step 1: Write the proportion equation
187,693.68 : 259,017.34 = 102,813.80 : x - Step 2: Convert to fraction form
187,693.68/259,017.34 = 102,813.80/x - Step 3: Cross multiply
187,693.68x = 259,017.34 × 102,813.80 - Step 4: Simplify right side
187,693.68x = 26,630,556,991.29 - Step 5: Solve for x
x = 26,630,556,991.29/187,693.68 - Step 6: Final answer
x = 141,883.08
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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.