Finding the Fourth Proportional to 187,237.97, 258,388.41 and 102,355.03
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Solution
The fourth proportional to 187,237.97, 258,388.41 and 102,355.03 is: 141,249.95
Step by Step Solution
- Step 1: Write the proportion equation
187,237.97 : 258,388.41 = 102,355.03 : x - Step 2: Convert to fraction form
187,237.97/258,388.41 = 102,355.03/x - Step 3: Cross multiply
187,237.97x = 258,388.41 × 102,355.03 - Step 4: Simplify right side
187,237.97x = 26,447,353,457.20 - Step 5: Solve for x
x = 26,447,353,457.20/187,237.97 - Step 6: Final answer
x = 141,249.95
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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.