Finding the Fourth Proportional to 187,910.08, 259,327.92 and 124,136.08
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Solution
The fourth proportional to 187,910.08, 259,327.92 and 124,136.08 is: 171,315.72
Step by Step Solution
- Step 1: Write the proportion equation
187,910.08 : 259,327.92 = 124,136.08 : x - Step 2: Convert to fraction form
187,910.08/259,327.92 = 124,136.08/x - Step 3: Cross multiply
187,910.08x = 259,327.92 × 124,136.08 - Step 4: Simplify right side
187,910.08x = 32,191,951,423.35 - Step 5: Solve for x
x = 32,191,951,423.35/187,910.08 - Step 6: Final answer
x = 171,315.72
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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.