Finding the Fourth Proportional to 187,652.16, 258,958.08 and 102,768.84
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Solution
The fourth proportional to 187,652.16, 258,958.08 and 102,768.84 is: 141,819.96
Step by Step Solution
- Step 1: Write the proportion equation
187,652.16 : 258,958.08 = 102,768.84 : x - Step 2: Convert to fraction form
187,652.16/258,958.08 = 102,768.84/x - Step 3: Cross multiply
187,652.16x = 258,958.08 × 102,768.84 - Step 4: Simplify right side
187,652.16x = 26,612,821,490.23 - Step 5: Solve for x
x = 26,612,821,490.23/187,652.16 - Step 6: Final answer
x = 141,819.96
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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.