Finding the Fourth Proportional to 187,447.28, 258,408.17 and 133,638.88
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Solution
The fourth proportional to 187,447.28, 258,408.17 and 133,638.88 is: 184,229.82
Step by Step Solution
- Step 1: Write the proportion equation
187,447.28 : 258,408.17 = 133,638.88 : x - Step 2: Convert to fraction form
187,447.28/258,408.17 = 133,638.88/x - Step 3: Cross multiply
187,447.28x = 258,408.17 × 133,638.88 - Step 4: Simplify right side
187,447.28x = 34,533,378,844.81 - Step 5: Solve for x
x = 34,533,378,844.81/187,447.28 - Step 6: Final answer
x = 184,229.82
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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.